Home / 20,502.36-30,753.54-13,575.24

Finding the Fourth Proportional to 20,502.36, 30,753.54 and 13,575.24

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Solution

The fourth proportional to 20,502.36, 30,753.54 and 13,575.24 is: 20,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.36 : 30,753.54 = 13,575.24 : x
  2. Step 2: Convert to fraction form
    20,502.36/30,753.54 = 13,575.24/x
  3. Step 3: Cross multiply
    20,502.36x = 30,753.54 × 13,575.24
  4. Step 4: Simplify right side
    20,502.36x = 417,486,686.35
  5. Step 5: Solve for x
    x = 417,486,686.35/20,502.36
  6. Step 6: Final answer
    x = 20,362.86

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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.