Home / 48,628.68-72,947.10-13,568.76

Finding the Fourth Proportional to 48,628.68, 72,947.10 and 13,568.76

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Solution

The fourth proportional to 48,628.68, 72,947.10 and 13,568.76 is: 20,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,628.68 : 72,947.10 = 13,568.76 : x
  2. Step 2: Convert to fraction form
    48,628.68/72,947.10 = 13,568.76/x
  3. Step 3: Cross multiply
    48,628.68x = 72,947.10 × 13,568.76
  4. Step 4: Simplify right side
    48,628.68x = 989,801,692.60
  5. Step 5: Solve for x
    x = 989,801,692.60/48,628.68
  6. Step 6: Final answer
    x = 20,354.28

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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.