Home / 18,811.66-25,959.99-10,314.16

Finding the Fourth Proportional to 18,811.66, 25,959.99 and 10,314.16

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Solution

The fourth proportional to 18,811.66, 25,959.99 and 10,314.16 is: 14,233.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.66 : 25,959.99 = 10,314.16 : x
  2. Step 2: Convert to fraction form
    18,811.66/25,959.99 = 10,314.16/x
  3. Step 3: Cross multiply
    18,811.66x = 25,959.99 × 10,314.16
  4. Step 4: Simplify right side
    18,811.66x = 267,755,490.46
  5. Step 5: Solve for x
    x = 267,755,490.46/18,811.66
  6. Step 6: Final answer
    x = 14,233.49

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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.