Home / 22,434.07-33,613.90-13,642.39

Finding the Fourth Proportional to 22,434.07, 33,613.90 and 13,642.39

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Solution

The fourth proportional to 22,434.07, 33,613.90 and 13,642.39 is: 20,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,434.07 : 33,613.90 = 13,642.39 : x
  2. Step 2: Convert to fraction form
    22,434.07/33,613.90 = 13,642.39/x
  3. Step 3: Cross multiply
    22,434.07x = 33,613.90 × 13,642.39
  4. Step 4: Simplify right side
    22,434.07x = 458,573,933.22
  5. Step 5: Solve for x
    x = 458,573,933.22/22,434.07
  6. Step 6: Final answer
    x = 20,440.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.