Home / 25,384.77-38,068.92-8,740.71

Finding the Fourth Proportional to 25,384.77, 38,068.92 and 8,740.71

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Solution

The fourth proportional to 25,384.77, 38,068.92 and 8,740.71 is: 13,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,384.77 : 38,068.92 = 8,740.71 : x
  2. Step 2: Convert to fraction form
    25,384.77/38,068.92 = 8,740.71/x
  3. Step 3: Cross multiply
    25,384.77x = 38,068.92 × 8,740.71
  4. Step 4: Simplify right side
    25,384.77x = 332,749,389.73
  5. Step 5: Solve for x
    x = 332,749,389.73/25,384.77
  6. Step 6: Final answer
    x = 13,108.23

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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.