Home / 22,479.39-33,548.10-19,988.31

Finding the Fourth Proportional to 22,479.39, 33,548.10 and 19,988.31

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Solution

The fourth proportional to 22,479.39, 33,548.10 and 19,988.31 is: 29,830.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.39 : 33,548.10 = 19,988.31 : x
  2. Step 2: Convert to fraction form
    22,479.39/33,548.10 = 19,988.31/x
  3. Step 3: Cross multiply
    22,479.39x = 33,548.10 × 19,988.31
  4. Step 4: Simplify right side
    22,479.39x = 670,569,822.71
  5. Step 5: Solve for x
    x = 670,569,822.71/22,479.39
  6. Step 6: Final answer
    x = 29,830.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.