Home / 22,509.46-31,062.62-12,437.68

Finding the Fourth Proportional to 22,509.46, 31,062.62 and 12,437.68

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Solution

The fourth proportional to 22,509.46, 31,062.62 and 12,437.68 is: 17,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,509.46 : 31,062.62 = 12,437.68 : x
  2. Step 2: Convert to fraction form
    22,509.46/31,062.62 = 12,437.68/x
  3. Step 3: Cross multiply
    22,509.46x = 31,062.62 × 12,437.68
  4. Step 4: Simplify right side
    22,509.46x = 386,346,904.21
  5. Step 5: Solve for x
    x = 386,346,904.21/22,509.46
  6. Step 6: Final answer
    x = 17,163.76

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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.