Home / 19,899.60-27,462.24-10,947.84

Finding the Fourth Proportional to 19,899.60, 27,462.24 and 10,947.84

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Solution

The fourth proportional to 19,899.60, 27,462.24 and 10,947.84 is: 15,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.60 : 27,462.24 = 10,947.84 : x
  2. Step 2: Convert to fraction form
    19,899.60/27,462.24 = 10,947.84/x
  3. Step 3: Cross multiply
    19,899.60x = 27,462.24 × 10,947.84
  4. Step 4: Simplify right side
    19,899.60x = 300,652,209.56
  5. Step 5: Solve for x
    x = 300,652,209.56/19,899.60
  6. Step 6: Final answer
    x = 15,108.45

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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.