Home / 22,448.66-30,977.49-12,377.30

Finding the Fourth Proportional to 22,448.66, 30,977.49 and 12,377.30

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Solution

The fourth proportional to 22,448.66, 30,977.49 and 12,377.30 is: 17,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.66 : 30,977.49 = 12,377.30 : x
  2. Step 2: Convert to fraction form
    22,448.66/30,977.49 = 12,377.30/x
  3. Step 3: Cross multiply
    22,448.66x = 30,977.49 × 12,377.30
  4. Step 4: Simplify right side
    22,448.66x = 383,417,686.98
  5. Step 5: Solve for x
    x = 383,417,686.98/22,448.66
  6. Step 6: Final answer
    x = 17,079.76

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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.