Home / 22,045.48-30,423.30-12,617.08

Finding the Fourth Proportional to 22,045.48, 30,423.30 and 12,617.08

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Solution

The fourth proportional to 22,045.48, 30,423.30 and 12,617.08 is: 17,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,045.48 : 30,423.30 = 12,617.08 : x
  2. Step 2: Convert to fraction form
    22,045.48/30,423.30 = 12,617.08/x
  3. Step 3: Cross multiply
    22,045.48x = 30,423.30 × 12,617.08
  4. Step 4: Simplify right side
    22,045.48x = 383,853,209.96
  5. Step 5: Solve for x
    x = 383,853,209.96/22,045.48
  6. Step 6: Final answer
    x = 17,411.88

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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.