Home / 22,901.36-34,282.88-20,711.12

Finding the Fourth Proportional to 22,901.36, 34,282.88 and 20,711.12

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Solution

The fourth proportional to 22,901.36, 34,282.88 and 20,711.12 is: 31,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,901.36 : 34,282.88 = 20,711.12 : x
  2. Step 2: Convert to fraction form
    22,901.36/34,282.88 = 20,711.12/x
  3. Step 3: Cross multiply
    22,901.36x = 34,282.88 × 20,711.12
  4. Step 4: Simplify right side
    22,901.36x = 710,036,841.63
  5. Step 5: Solve for x
    x = 710,036,841.63/22,901.36
  6. Step 6: Final answer
    x = 31,004.13

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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.