Home / 26,555.60-36,646.74-14,619.40

Finding the Fourth Proportional to 26,555.60, 36,646.74 and 14,619.40

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Solution

The fourth proportional to 26,555.60, 36,646.74 and 14,619.40 is: 20,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.60 : 36,646.74 = 14,619.40 : x
  2. Step 2: Convert to fraction form
    26,555.60/36,646.74 = 14,619.40/x
  3. Step 3: Cross multiply
    26,555.60x = 36,646.74 × 14,619.40
  4. Step 4: Simplify right side
    26,555.60x = 535,753,350.76
  5. Step 5: Solve for x
    x = 535,753,350.76/26,555.60
  6. Step 6: Final answer
    x = 20,174.78

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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.