Home / 26,769.96-36,947.70-15,446.76

Finding the Fourth Proportional to 26,769.96, 36,947.70 and 15,446.76

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Solution

The fourth proportional to 26,769.96, 36,947.70 and 15,446.76 is: 21,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.96 : 36,947.70 = 15,446.76 : x
  2. Step 2: Convert to fraction form
    26,769.96/36,947.70 = 15,446.76/x
  3. Step 3: Cross multiply
    26,769.96x = 36,947.70 × 15,446.76
  4. Step 4: Simplify right side
    26,769.96x = 570,722,254.45
  5. Step 5: Solve for x
    x = 570,722,254.45/26,769.96
  6. Step 6: Final answer
    x = 21,319.50

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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.