Home / 14,743.19-20,332.27-9,705.55

Finding the Fourth Proportional to 14,743.19, 20,332.27 and 9,705.55

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Solution

The fourth proportional to 14,743.19, 20,332.27 and 9,705.55 is: 13,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.19 : 20,332.27 = 9,705.55 : x
  2. Step 2: Convert to fraction form
    14,743.19/20,332.27 = 9,705.55/x
  3. Step 3: Cross multiply
    14,743.19x = 20,332.27 × 9,705.55
  4. Step 4: Simplify right side
    14,743.19x = 197,335,863.10
  5. Step 5: Solve for x
    x = 197,335,863.10/14,743.19
  6. Step 6: Final answer
    x = 13,384.88

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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.