Home / 19,961.54-29,937.20-5,918.29

Finding the Fourth Proportional to 19,961.54, 29,937.20 and 5,918.29

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Solution

The fourth proportional to 19,961.54, 29,937.20 and 5,918.29 is: 8,875.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.54 : 29,937.20 = 5,918.29 : x
  2. Step 2: Convert to fraction form
    19,961.54/29,937.20 = 5,918.29/x
  3. Step 3: Cross multiply
    19,961.54x = 29,937.20 × 5,918.29
  4. Step 4: Simplify right side
    19,961.54x = 177,176,926.95
  5. Step 5: Solve for x
    x = 177,176,926.95/19,961.54
  6. Step 6: Final answer
    x = 8,875.92

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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.