Home / 18,750.32-25,875.96-10,367.12

Finding the Fourth Proportional to 18,750.32, 25,875.96 and 10,367.12

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Solution

The fourth proportional to 18,750.32, 25,875.96 and 10,367.12 is: 14,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.32 : 25,875.96 = 10,367.12 : x
  2. Step 2: Convert to fraction form
    18,750.32/25,875.96 = 10,367.12/x
  3. Step 3: Cross multiply
    18,750.32x = 25,875.96 × 10,367.12
  4. Step 4: Simplify right side
    18,750.32x = 268,259,182.44
  5. Step 5: Solve for x
    x = 268,259,182.44/18,750.32
  6. Step 6: Final answer
    x = 14,306.91

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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.