Home / 31,512.24-47,268.36-9,325.84

Finding the Fourth Proportional to 31,512.24, 47,268.36 and 9,325.84

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Solution

The fourth proportional to 31,512.24, 47,268.36 and 9,325.84 is: 13,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.24 : 47,268.36 = 9,325.84 : x
  2. Step 2: Convert to fraction form
    31,512.24/47,268.36 = 9,325.84/x
  3. Step 3: Cross multiply
    31,512.24x = 47,268.36 × 9,325.84
  4. Step 4: Simplify right side
    31,512.24x = 440,817,162.42
  5. Step 5: Solve for x
    x = 440,817,162.42/31,512.24
  6. Step 6: Final answer
    x = 13,988.76

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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.