Home / 22,265.32-33,399-12,397.17

Finding the Fourth Proportional to 22,265.32, 33,399 and 12,397.17

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Solution

The fourth proportional to 22,265.32, 33,399 and 12,397.17 is: 18,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.32 : 33,399 = 12,397.17 : x
  2. Step 2: Convert to fraction form
    22,265.32/33,399 = 12,397.17/x
  3. Step 3: Cross multiply
    22,265.32x = 33,399 × 12,397.17
  4. Step 4: Simplify right side
    22,265.32x = 414,053,080.83
  5. Step 5: Solve for x
    x = 414,053,080.83/22,265.32
  6. Step 6: Final answer
    x = 18,596.32

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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.