Home / 23,170.31-31,975.15-12,559.92

Finding the Fourth Proportional to 23,170.31, 31,975.15 and 12,559.92

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Solution

The fourth proportional to 23,170.31, 31,975.15 and 12,559.92 is: 17,332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.31 : 31,975.15 = 12,559.92 : x
  2. Step 2: Convert to fraction form
    23,170.31/31,975.15 = 12,559.92/x
  3. Step 3: Cross multiply
    23,170.31x = 31,975.15 × 12,559.92
  4. Step 4: Simplify right side
    23,170.31x = 401,605,325.99
  5. Step 5: Solve for x
    x = 401,605,325.99/23,170.31
  6. Step 6: Final answer
    x = 17,332.76

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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.