Home / 15,559.60-21,471.41-8,844.30

Finding the Fourth Proportional to 15,559.60, 21,471.41 and 8,844.30

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Solution

The fourth proportional to 15,559.60, 21,471.41 and 8,844.30 is: 12,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.60 : 21,471.41 = 8,844.30 : x
  2. Step 2: Convert to fraction form
    15,559.60/21,471.41 = 8,844.30/x
  3. Step 3: Cross multiply
    15,559.60x = 21,471.41 × 8,844.30
  4. Step 4: Simplify right side
    15,559.60x = 189,899,591.46
  5. Step 5: Solve for x
    x = 189,899,591.46/15,559.60
  6. Step 6: Final answer
    x = 12,204.66

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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.