Home / 16,432.12-22,668.16-9,714.47

Finding the Fourth Proportional to 16,432.12, 22,668.16 and 9,714.47

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Solution

The fourth proportional to 16,432.12, 22,668.16 and 9,714.47 is: 13,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,432.12 : 22,668.16 = 9,714.47 : x
  2. Step 2: Convert to fraction form
    16,432.12/22,668.16 = 9,714.47/x
  3. Step 3: Cross multiply
    16,432.12x = 22,668.16 × 9,714.47
  4. Step 4: Simplify right side
    16,432.12x = 220,209,111.70
  5. Step 5: Solve for x
    x = 220,209,111.70/16,432.12
  6. Step 6: Final answer
    x = 13,401.14

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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.