Home / 25,127.40-37,689.89-9,543.81

Finding the Fourth Proportional to 25,127.40, 37,689.89 and 9,543.81

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Solution

The fourth proportional to 25,127.40, 37,689.89 and 9,543.81 is: 14,315.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127.40 : 37,689.89 = 9,543.81 : x
  2. Step 2: Convert to fraction form
    25,127.40/37,689.89 = 9,543.81/x
  3. Step 3: Cross multiply
    25,127.40x = 37,689.89 × 9,543.81
  4. Step 4: Simplify right side
    25,127.40x = 359,705,149.08
  5. Step 5: Solve for x
    x = 359,705,149.08/25,127.40
  6. Step 6: Final answer
    x = 14,315.26

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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.