Home / 18,024.15-27,036.23-13,124.97

Finding the Fourth Proportional to 18,024.15, 27,036.23 and 13,124.97

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Solution

The fourth proportional to 18,024.15, 27,036.23 and 13,124.97 is: 19,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,024.15 : 27,036.23 = 13,124.97 : x
  2. Step 2: Convert to fraction form
    18,024.15/27,036.23 = 13,124.97/x
  3. Step 3: Cross multiply
    18,024.15x = 27,036.23 × 13,124.97
  4. Step 4: Simplify right side
    18,024.15x = 354,849,642.04
  5. Step 5: Solve for x
    x = 354,849,642.04/18,024.15
  6. Step 6: Final answer
    x = 19,687.45

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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.