Home / 17,420.20-24,045.36-11,132.58

Finding the Fourth Proportional to 17,420.20, 24,045.36 and 11,132.58

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Solution

The fourth proportional to 17,420.20, 24,045.36 and 11,132.58 is: 15,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.20 : 24,045.36 = 11,132.58 : x
  2. Step 2: Convert to fraction form
    17,420.20/24,045.36 = 11,132.58/x
  3. Step 3: Cross multiply
    17,420.20x = 24,045.36 × 11,132.58
  4. Step 4: Simplify right side
    17,420.20x = 267,686,893.83
  5. Step 5: Solve for x
    x = 267,686,893.83/17,420.20
  6. Step 6: Final answer
    x = 15,366.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.