Home / 29,426.80-44,140.20-13,631.80

Finding the Fourth Proportional to 29,426.80, 44,140.20 and 13,631.80

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Solution

The fourth proportional to 29,426.80, 44,140.20 and 13,631.80 is: 20,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,426.80 : 44,140.20 = 13,631.80 : x
  2. Step 2: Convert to fraction form
    29,426.80/44,140.20 = 13,631.80/x
  3. Step 3: Cross multiply
    29,426.80x = 44,140.20 × 13,631.80
  4. Step 4: Simplify right side
    29,426.80x = 601,710,378.36
  5. Step 5: Solve for x
    x = 601,710,378.36/29,426.80
  6. Step 6: Final answer
    x = 20,447.70

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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.