Home / 18,742.39-25,866.15-10,360.51

Finding the Fourth Proportional to 18,742.39, 25,866.15 and 10,360.51

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Solution

The fourth proportional to 18,742.39, 25,866.15 and 10,360.51 is: 14,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.39 : 25,866.15 = 10,360.51 : x
  2. Step 2: Convert to fraction form
    18,742.39/25,866.15 = 10,360.51/x
  3. Step 3: Cross multiply
    18,742.39x = 25,866.15 × 10,360.51
  4. Step 4: Simplify right side
    18,742.39x = 267,986,453.93
  5. Step 5: Solve for x
    x = 267,986,453.93/18,742.39
  6. Step 6: Final answer
    x = 14,298.41

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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.