Home / 20,453.24-28,227.24-11,502.98

Finding the Fourth Proportional to 20,453.24, 28,227.24 and 11,502.98

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Solution

The fourth proportional to 20,453.24, 28,227.24 and 11,502.98 is: 15,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.24 : 28,227.24 = 11,502.98 : x
  2. Step 2: Convert to fraction form
    20,453.24/28,227.24 = 11,502.98/x
  3. Step 3: Cross multiply
    20,453.24x = 28,227.24 × 11,502.98
  4. Step 4: Simplify right side
    20,453.24x = 324,697,377.18
  5. Step 5: Solve for x
    x = 324,697,377.18/20,453.24
  6. Step 6: Final answer
    x = 15,875.11

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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.