Home / 31,520.34-47,281.83-14,669.13

Finding the Fourth Proportional to 31,520.34, 47,281.83 and 14,669.13

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Solution

The fourth proportional to 31,520.34, 47,281.83 and 14,669.13 is: 22,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.34 : 47,281.83 = 14,669.13 : x
  2. Step 2: Convert to fraction form
    31,520.34/47,281.83 = 14,669.13/x
  3. Step 3: Cross multiply
    31,520.34x = 47,281.83 × 14,669.13
  4. Step 4: Simplify right side
    31,520.34x = 693,583,310.91
  5. Step 5: Solve for x
    x = 693,583,310.91/31,520.34
  6. Step 6: Final answer
    x = 22,004.31

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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.