Home / 25,143.65-37,720.31-8,506.35

Finding the Fourth Proportional to 25,143.65, 37,720.31 and 8,506.35

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Solution

The fourth proportional to 25,143.65, 37,720.31 and 8,506.35 is: 12,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.65 : 37,720.31 = 8,506.35 : x
  2. Step 2: Convert to fraction form
    25,143.65/37,720.31 = 8,506.35/x
  3. Step 3: Cross multiply
    25,143.65x = 37,720.31 × 8,506.35
  4. Step 4: Simplify right side
    25,143.65x = 320,862,158.97
  5. Step 5: Solve for x
    x = 320,862,158.97/25,143.65
  6. Step 6: Final answer
    x = 12,761.16

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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.