Home / 14,083.47-19,437.57-8,118.63

Finding the Fourth Proportional to 14,083.47, 19,437.57 and 8,118.63

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Solution

The fourth proportional to 14,083.47, 19,437.57 and 8,118.63 is: 11,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.47 : 19,437.57 = 8,118.63 : x
  2. Step 2: Convert to fraction form
    14,083.47/19,437.57 = 8,118.63/x
  3. Step 3: Cross multiply
    14,083.47x = 19,437.57 × 8,118.63
  4. Step 4: Simplify right side
    14,083.47x = 157,806,438.93
  5. Step 5: Solve for x
    x = 157,806,438.93/14,083.47
  6. Step 6: Final answer
    x = 11,205.08

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Half scale
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Double scale
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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.