Home / 21,666.52-32,473.86-13,333.24

Finding the Fourth Proportional to 21,666.52, 32,473.86 and 13,333.24

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Solution

The fourth proportional to 21,666.52, 32,473.86 and 13,333.24 is: 19,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.52 : 32,473.86 = 13,333.24 : x
  2. Step 2: Convert to fraction form
    21,666.52/32,473.86 = 13,333.24/x
  3. Step 3: Cross multiply
    21,666.52x = 32,473.86 × 13,333.24
  4. Step 4: Simplify right side
    21,666.52x = 432,981,769.11
  5. Step 5: Solve for x
    x = 432,981,769.11/21,666.52
  6. Step 6: Final answer
    x = 19,983.91

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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.