Home / 22,423.01-30,943.12-12,864.50

Finding the Fourth Proportional to 22,423.01, 30,943.12 and 12,864.50

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Solution

The fourth proportional to 22,423.01, 30,943.12 and 12,864.50 is: 17,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.01 : 30,943.12 = 12,864.50 : x
  2. Step 2: Convert to fraction form
    22,423.01/30,943.12 = 12,864.50/x
  3. Step 3: Cross multiply
    22,423.01x = 30,943.12 × 12,864.50
  4. Step 4: Simplify right side
    22,423.01x = 398,067,767.24
  5. Step 5: Solve for x
    x = 398,067,767.24/22,423.01
  6. Step 6: Final answer
    x = 17,752.65

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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.