Home / 21,502.20-32,242.32-7,460.76

Finding the Fourth Proportional to 21,502.20, 32,242.32 and 7,460.76

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Solution

The fourth proportional to 21,502.20, 32,242.32 and 7,460.76 is: 11,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.20 : 32,242.32 = 7,460.76 : x
  2. Step 2: Convert to fraction form
    21,502.20/32,242.32 = 7,460.76/x
  3. Step 3: Cross multiply
    21,502.20x = 32,242.32 × 7,460.76
  4. Step 4: Simplify right side
    21,502.20x = 240,552,211.36
  5. Step 5: Solve for x
    x = 240,552,211.36/21,502.20
  6. Step 6: Final answer
    x = 11,187.33

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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.