Home / 18,742.64-25,866.49-10,360.76

Finding the Fourth Proportional to 18,742.64, 25,866.49 and 10,360.76

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Solution

The fourth proportional to 18,742.64, 25,866.49 and 10,360.76 is: 14,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.64 : 25,866.49 = 10,360.76 : x
  2. Step 2: Convert to fraction form
    18,742.64/25,866.49 = 10,360.76/x
  3. Step 3: Cross multiply
    18,742.64x = 25,866.49 × 10,360.76
  4. Step 4: Simplify right side
    18,742.64x = 267,996,494.93
  5. Step 5: Solve for x
    x = 267,996,494.93/18,742.64
  6. Step 6: Final answer
    x = 14,298.76

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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.