Home / 25,724.11-38,587.66-9,929.23

Finding the Fourth Proportional to 25,724.11, 38,587.66 and 9,929.23

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Solution

The fourth proportional to 25,724.11, 38,587.66 and 9,929.23 is: 14,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,724.11 : 38,587.66 = 9,929.23 : x
  2. Step 2: Convert to fraction form
    25,724.11/38,587.66 = 9,929.23/x
  3. Step 3: Cross multiply
    25,724.11x = 38,587.66 × 9,929.23
  4. Step 4: Simplify right side
    25,724.11x = 383,145,508.72
  5. Step 5: Solve for x
    x = 383,145,508.72/25,724.11
  6. Step 6: Final answer
    x = 14,894.41

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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.