Home / 25,345.61-38,008.96-8,700.92

Finding the Fourth Proportional to 25,345.61, 38,008.96 and 8,700.92

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Solution

The fourth proportional to 25,345.61, 38,008.96 and 8,700.92 is: 13,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.61 : 38,008.96 = 8,700.92 : x
  2. Step 2: Convert to fraction form
    25,345.61/38,008.96 = 8,700.92/x
  3. Step 3: Cross multiply
    25,345.61x = 38,008.96 × 8,700.92
  4. Step 4: Simplify right side
    25,345.61x = 330,712,920.24
  5. Step 5: Solve for x
    x = 330,712,920.24/25,345.61
  6. Step 6: Final answer
    x = 13,048.13

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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.