Home / 19,938.30-27,526.66-17,724.18

Finding the Fourth Proportional to 19,938.30, 27,526.66 and 17,724.18

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Solution

The fourth proportional to 19,938.30, 27,526.66 and 17,724.18 is: 24,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.30 : 27,526.66 = 17,724.18 : x
  2. Step 2: Convert to fraction form
    19,938.30/27,526.66 = 17,724.18/x
  3. Step 3: Cross multiply
    19,938.30x = 27,526.66 × 17,724.18
  4. Step 4: Simplify right side
    19,938.30x = 487,887,476.64
  5. Step 5: Solve for x
    x = 487,887,476.64/19,938.30
  6. Step 6: Final answer
    x = 24,469.86

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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.