Home / 18,766.42-25,897.29-10,382.92

Finding the Fourth Proportional to 18,766.42, 25,897.29 and 10,382.92

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Solution

The fourth proportional to 18,766.42, 25,897.29 and 10,382.92 is: 14,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.42 : 25,897.29 = 10,382.92 : x
  2. Step 2: Convert to fraction form
    18,766.42/25,897.29 = 10,382.92/x
  3. Step 3: Cross multiply
    18,766.42x = 25,897.29 × 10,382.92
  4. Step 4: Simplify right side
    18,766.42x = 268,889,490.29
  5. Step 5: Solve for x
    x = 268,889,490.29/18,766.42
  6. Step 6: Final answer
    x = 14,328.23

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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.