Home / 20,008.60-29,948.10-15,602.20

Finding the Fourth Proportional to 20,008.60, 29,948.10 and 15,602.20

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Solution

The fourth proportional to 20,008.60, 29,948.10 and 15,602.20 is: 23,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.60 : 29,948.10 = 15,602.20 : x
  2. Step 2: Convert to fraction form
    20,008.60/29,948.10 = 15,602.20/x
  3. Step 3: Cross multiply
    20,008.60x = 29,948.10 × 15,602.20
  4. Step 4: Simplify right side
    20,008.60x = 467,256,245.82
  5. Step 5: Solve for x
    x = 467,256,245.82/20,008.60
  6. Step 6: Final answer
    x = 23,352.77

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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.