Home / 25,672.54-38,415.13-15,147.60

Finding the Fourth Proportional to 25,672.54, 38,415.13 and 15,147.60

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Solution

The fourth proportional to 25,672.54, 38,415.13 and 15,147.60 is: 22,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.54 : 38,415.13 = 15,147.60 : x
  2. Step 2: Convert to fraction form
    25,672.54/38,415.13 = 15,147.60/x
  3. Step 3: Cross multiply
    25,672.54x = 38,415.13 × 15,147.60
  4. Step 4: Simplify right side
    25,672.54x = 581,896,941.69
  5. Step 5: Solve for x
    x = 581,896,941.69/25,672.54
  6. Step 6: Final answer
    x = 22,666.13

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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.