Home / 26,761.20-36,931.50-14,824.30

Finding the Fourth Proportional to 26,761.20, 36,931.50 and 14,824.30

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Solution

The fourth proportional to 26,761.20, 36,931.50 and 14,824.30 is: 20,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.20 : 36,931.50 = 14,824.30 : x
  2. Step 2: Convert to fraction form
    26,761.20/36,931.50 = 14,824.30/x
  3. Step 3: Cross multiply
    26,761.20x = 36,931.50 × 14,824.30
  4. Step 4: Simplify right side
    26,761.20x = 547,483,376.67
  5. Step 5: Solve for x
    x = 547,483,376.67/26,761.20
  6. Step 6: Final answer
    x = 20,458.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.