Home / 25,432.18-38,137.47-13,742.26

Finding the Fourth Proportional to 25,432.18, 38,137.47 and 13,742.26

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Solution

The fourth proportional to 25,432.18, 38,137.47 and 13,742.26 is: 20,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,432.18 : 38,137.47 = 13,742.26 : x
  2. Step 2: Convert to fraction form
    25,432.18/38,137.47 = 13,742.26/x
  3. Step 3: Cross multiply
    25,432.18x = 38,137.47 × 13,742.26
  4. Step 4: Simplify right side
    25,432.18x = 524,095,028.48
  5. Step 5: Solve for x
    x = 524,095,028.48/25,432.18
  6. Step 6: Final answer
    x = 20,607.55

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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.