Home / 14,897.91-20,559.33-8,184.15

Finding the Fourth Proportional to 14,897.91, 20,559.33 and 8,184.15

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Solution

The fourth proportional to 14,897.91, 20,559.33 and 8,184.15 is: 11,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.91 : 20,559.33 = 8,184.15 : x
  2. Step 2: Convert to fraction form
    14,897.91/20,559.33 = 8,184.15/x
  3. Step 3: Cross multiply
    14,897.91x = 20,559.33 × 8,184.15
  4. Step 4: Simplify right side
    14,897.91x = 168,260,640.62
  5. Step 5: Solve for x
    x = 168,260,640.62/14,897.91
  6. Step 6: Final answer
    x = 11,294.24

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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.