Home / 18,787.74-25,927.22-10,290.66

Finding the Fourth Proportional to 18,787.74, 25,927.22 and 10,290.66

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Solution

The fourth proportional to 18,787.74, 25,927.22 and 10,290.66 is: 14,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.74 : 25,927.22 = 10,290.66 : x
  2. Step 2: Convert to fraction form
    18,787.74/25,927.22 = 10,290.66/x
  3. Step 3: Cross multiply
    18,787.74x = 25,927.22 × 10,290.66
  4. Step 4: Simplify right side
    18,787.74x = 266,808,076.13
  5. Step 5: Solve for x
    x = 266,808,076.13/18,787.74
  6. Step 6: Final answer
    x = 14,201.18

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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.