Home / 20,588.80-30,859.36-9,472.16

Finding the Fourth Proportional to 20,588.80, 30,859.36 and 9,472.16

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Solution

The fourth proportional to 20,588.80, 30,859.36 and 9,472.16 is: 14,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588.80 : 30,859.36 = 9,472.16 : x
  2. Step 2: Convert to fraction form
    20,588.80/30,859.36 = 9,472.16/x
  3. Step 3: Cross multiply
    20,588.80x = 30,859.36 × 9,472.16
  4. Step 4: Simplify right side
    20,588.80x = 292,304,795.42
  5. Step 5: Solve for x
    x = 292,304,795.42/20,588.80
  6. Step 6: Final answer
    x = 14,197.27

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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.