Home / 19,864.85-29,802.29-9,332.91

Finding the Fourth Proportional to 19,864.85, 29,802.29 and 9,332.91

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Solution

The fourth proportional to 19,864.85, 29,802.29 and 9,332.91 is: 14,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.85 : 29,802.29 = 9,332.91 : x
  2. Step 2: Convert to fraction form
    19,864.85/29,802.29 = 9,332.91/x
  3. Step 3: Cross multiply
    19,864.85x = 29,802.29 × 9,332.91
  4. Step 4: Simplify right side
    19,864.85x = 278,142,043.70
  5. Step 5: Solve for x
    x = 278,142,043.70/19,864.85
  6. Step 6: Final answer
    x = 14,001.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.