Home / 18,937.40-26,132.51-11,382.32

Finding the Fourth Proportional to 18,937.40, 26,132.51 and 11,382.32

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Solution

The fourth proportional to 18,937.40, 26,132.51 and 11,382.32 is: 15,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.40 : 26,132.51 = 11,382.32 : x
  2. Step 2: Convert to fraction form
    18,937.40/26,132.51 = 11,382.32/x
  3. Step 3: Cross multiply
    18,937.40x = 26,132.51 × 11,382.32
  4. Step 4: Simplify right side
    18,937.40x = 297,448,685.01
  5. Step 5: Solve for x
    x = 297,448,685.01/18,937.40
  6. Step 6: Final answer
    x = 15,706.95

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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.