Home / 15,432.04-23,139.82-4,899.21

Finding the Fourth Proportional to 15,432.04, 23,139.82 and 4,899.21

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Solution

The fourth proportional to 15,432.04, 23,139.82 and 4,899.21 is: 7,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.04 : 23,139.82 = 4,899.21 : x
  2. Step 2: Convert to fraction form
    15,432.04/23,139.82 = 4,899.21/x
  3. Step 3: Cross multiply
    15,432.04x = 23,139.82 × 4,899.21
  4. Step 4: Simplify right side
    15,432.04x = 113,366,837.54
  5. Step 5: Solve for x
    x = 113,366,837.54/15,432.04
  6. Step 6: Final answer
    x = 7,346.20

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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.