Home / 18,288.24-25,238.96-10,330.66

Finding the Fourth Proportional to 18,288.24, 25,238.96 and 10,330.66

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Solution

The fourth proportional to 18,288.24, 25,238.96 and 10,330.66 is: 14,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.24 : 25,238.96 = 10,330.66 : x
  2. Step 2: Convert to fraction form
    18,288.24/25,238.96 = 10,330.66/x
  3. Step 3: Cross multiply
    18,288.24x = 25,238.96 × 10,330.66
  4. Step 4: Simplify right side
    18,288.24x = 260,735,062.86
  5. Step 5: Solve for x
    x = 260,735,062.86/18,288.24
  6. Step 6: Final answer
    x = 14,256.98

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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.