Home / 25,984.31-38,925.23-13,512.47

Finding the Fourth Proportional to 25,984.31, 38,925.23 and 13,512.47

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Solution

The fourth proportional to 25,984.31, 38,925.23 and 13,512.47 is: 20,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,984.31 : 38,925.23 = 13,512.47 : x
  2. Step 2: Convert to fraction form
    25,984.31/38,925.23 = 13,512.47/x
  3. Step 3: Cross multiply
    25,984.31x = 38,925.23 × 13,512.47
  4. Step 4: Simplify right side
    25,984.31x = 525,975,740.43
  5. Step 5: Solve for x
    x = 525,975,740.43/25,984.31
  6. Step 6: Final answer
    x = 20,242.06

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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.