Home / 26,800.40-36,984.20-14,863.76

Finding the Fourth Proportional to 26,800.40, 36,984.20 and 14,863.76

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Solution

The fourth proportional to 26,800.40, 36,984.20 and 14,863.76 is: 20,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,800.40 : 36,984.20 = 14,863.76 : x
  2. Step 2: Convert to fraction form
    26,800.40/36,984.20 = 14,863.76/x
  3. Step 3: Cross multiply
    26,800.40x = 36,984.20 × 14,863.76
  4. Step 4: Simplify right side
    26,800.40x = 549,724,272.59
  5. Step 5: Solve for x
    x = 549,724,272.59/26,800.40
  6. Step 6: Final answer
    x = 20,511.79

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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.