Home / 22,423.62-30,943.86-13,348.94

Finding the Fourth Proportional to 22,423.62, 30,943.86 and 13,348.94

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Solution

The fourth proportional to 22,423.62, 30,943.86 and 13,348.94 is: 18,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.62 : 30,943.86 = 13,348.94 : x
  2. Step 2: Convert to fraction form
    22,423.62/30,943.86 = 13,348.94/x
  3. Step 3: Cross multiply
    22,423.62x = 30,943.86 × 13,348.94
  4. Step 4: Simplify right side
    22,423.62x = 413,067,730.51
  5. Step 5: Solve for x
    x = 413,067,730.51/22,423.62
  6. Step 6: Final answer
    x = 18,421.10

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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.