Home / 19,524.20-26,947.04-11,140.72

Finding the Fourth Proportional to 19,524.20, 26,947.04 and 11,140.72

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Solution

The fourth proportional to 19,524.20, 26,947.04 and 11,140.72 is: 15,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,524.20 : 26,947.04 = 11,140.72 : x
  2. Step 2: Convert to fraction form
    19,524.20/26,947.04 = 11,140.72/x
  3. Step 3: Cross multiply
    19,524.20x = 26,947.04 × 11,140.72
  4. Step 4: Simplify right side
    19,524.20x = 300,209,427.47
  5. Step 5: Solve for x
    x = 300,209,427.47/19,524.20
  6. Step 6: Final answer
    x = 15,376.27

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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.