Home / 19,742.47-27,244.51-11,679.02

Finding the Fourth Proportional to 19,742.47, 27,244.51 and 11,679.02

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Solution

The fourth proportional to 19,742.47, 27,244.51 and 11,679.02 is: 16,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.47 : 27,244.51 = 11,679.02 : x
  2. Step 2: Convert to fraction form
    19,742.47/27,244.51 = 11,679.02/x
  3. Step 3: Cross multiply
    19,742.47x = 27,244.51 × 11,679.02
  4. Step 4: Simplify right side
    19,742.47x = 318,189,177.18
  5. Step 5: Solve for x
    x = 318,189,177.18/19,742.47
  6. Step 6: Final answer
    x = 16,116.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.