Home / 22,440.14-30,966.13-12,368.55

Finding the Fourth Proportional to 22,440.14, 30,966.13 and 12,368.55

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Solution

The fourth proportional to 22,440.14, 30,966.13 and 12,368.55 is: 17,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.14 : 30,966.13 = 12,368.55 : x
  2. Step 2: Convert to fraction form
    22,440.14/30,966.13 = 12,368.55/x
  3. Step 3: Cross multiply
    22,440.14x = 30,966.13 × 12,368.55
  4. Step 4: Simplify right side
    22,440.14x = 383,006,127.21
  5. Step 5: Solve for x
    x = 383,006,127.21/22,440.14
  6. Step 6: Final answer
    x = 17,067.90

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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.