Home / 31,594.12-47,390.94-13,126.12

Finding the Fourth Proportional to 31,594.12, 47,390.94 and 13,126.12

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Solution

The fourth proportional to 31,594.12, 47,390.94 and 13,126.12 is: 19,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,594.12 : 47,390.94 = 13,126.12 : x
  2. Step 2: Convert to fraction form
    31,594.12/47,390.94 = 13,126.12/x
  3. Step 3: Cross multiply
    31,594.12x = 47,390.94 × 13,126.12
  4. Step 4: Simplify right side
    31,594.12x = 622,059,165.35
  5. Step 5: Solve for x
    x = 622,059,165.35/31,594.12
  6. Step 6: Final answer
    x = 19,689.08

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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.