Home / 31,703.86-47,563.68-9,517.63

Finding the Fourth Proportional to 31,703.86, 47,563.68 and 9,517.63

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Solution

The fourth proportional to 31,703.86, 47,563.68 and 9,517.63 is: 14,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.86 : 47,563.68 = 9,517.63 : x
  2. Step 2: Convert to fraction form
    31,703.86/47,563.68 = 9,517.63/x
  3. Step 3: Cross multiply
    31,703.86x = 47,563.68 × 9,517.63
  4. Step 4: Simplify right side
    31,703.86x = 452,693,507.68
  5. Step 5: Solve for x
    x = 452,693,507.68/31,703.86
  6. Step 6: Final answer
    x = 14,278.81

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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.