Home / 22,655.33-33,830.40-18,503.57

Finding the Fourth Proportional to 22,655.33, 33,830.40 and 18,503.57

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Solution

The fourth proportional to 22,655.33, 33,830.40 and 18,503.57 is: 27,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.33 : 33,830.40 = 18,503.57 : x
  2. Step 2: Convert to fraction form
    22,655.33/33,830.40 = 18,503.57/x
  3. Step 3: Cross multiply
    22,655.33x = 33,830.40 × 18,503.57
  4. Step 4: Simplify right side
    22,655.33x = 625,983,005.38
  5. Step 5: Solve for x
    x = 625,983,005.38/22,655.33
  6. Step 6: Final answer
    x = 27,630.72

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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.