Home / 15,468.96-21,358.26-9,508.62

Finding the Fourth Proportional to 15,468.96, 21,358.26 and 9,508.62

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Solution

The fourth proportional to 15,468.96, 21,358.26 and 9,508.62 is: 13,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.96 : 21,358.26 = 9,508.62 : x
  2. Step 2: Convert to fraction form
    15,468.96/21,358.26 = 9,508.62/x
  3. Step 3: Cross multiply
    15,468.96x = 21,358.26 × 9,508.62
  4. Step 4: Simplify right side
    15,468.96x = 203,087,578.20
  5. Step 5: Solve for x
    x = 203,087,578.20/15,468.96
  6. Step 6: Final answer
    x = 13,128.72

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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.