Home / 18,437.16-27,655.62-11,043.72

Finding the Fourth Proportional to 18,437.16, 27,655.62 and 11,043.72

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Solution

The fourth proportional to 18,437.16, 27,655.62 and 11,043.72 is: 16,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.16 : 27,655.62 = 11,043.72 : x
  2. Step 2: Convert to fraction form
    18,437.16/27,655.62 = 11,043.72/x
  3. Step 3: Cross multiply
    18,437.16x = 27,655.62 × 11,043.72
  4. Step 4: Simplify right side
    18,437.16x = 305,420,923.71
  5. Step 5: Solve for x
    x = 305,420,923.71/18,437.16
  6. Step 6: Final answer
    x = 16,565.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.