Home / 14,897.17-20,554.42-8,436.92

Finding the Fourth Proportional to 14,897.17, 20,554.42 and 8,436.92

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Solution

The fourth proportional to 14,897.17, 20,554.42 and 8,436.92 is: 11,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.17 : 20,554.42 = 8,436.92 : x
  2. Step 2: Convert to fraction form
    14,897.17/20,554.42 = 8,436.92/x
  3. Step 3: Cross multiply
    14,897.17x = 20,554.42 × 8,436.92
  4. Step 4: Simplify right side
    14,897.17x = 173,415,997.19
  5. Step 5: Solve for x
    x = 173,415,997.19/14,897.17
  6. Step 6: Final answer
    x = 11,640.87

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Half scale
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Double scale
Find fourth proportional to 14,898.17, 20,555.80 and 8,437.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.