Home / 19,549.85-29,320.28-11,654.60

Finding the Fourth Proportional to 19,549.85, 29,320.28 and 11,654.60

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Solution

The fourth proportional to 19,549.85, 29,320.28 and 11,654.60 is: 17,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.85 : 29,320.28 = 11,654.60 : x
  2. Step 2: Convert to fraction form
    19,549.85/29,320.28 = 11,654.60/x
  3. Step 3: Cross multiply
    19,549.85x = 29,320.28 × 11,654.60
  4. Step 4: Simplify right side
    19,549.85x = 341,716,091.12
  5. Step 5: Solve for x
    x = 341,716,091.12/19,549.85
  6. Step 6: Final answer
    x = 17,479.22

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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.