Home / 19,972.88-27,554.18-13,262.13

Finding the Fourth Proportional to 19,972.88, 27,554.18 and 13,262.13

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Solution

The fourth proportional to 19,972.88, 27,554.18 and 13,262.13 is: 18,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.88 : 27,554.18 = 13,262.13 : x
  2. Step 2: Convert to fraction form
    19,972.88/27,554.18 = 13,262.13/x
  3. Step 3: Cross multiply
    19,972.88x = 27,554.18 × 13,262.13
  4. Step 4: Simplify right side
    19,972.88x = 365,427,050.89
  5. Step 5: Solve for x
    x = 365,427,050.89/19,972.88
  6. Step 6: Final answer
    x = 18,296.16

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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.