Home / 18,829.68-25,947.72-13,507.44

Finding the Fourth Proportional to 18,829.68, 25,947.72 and 13,507.44

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Solution

The fourth proportional to 18,829.68, 25,947.72 and 13,507.44 is: 18,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.68 : 25,947.72 = 13,507.44 : x
  2. Step 2: Convert to fraction form
    18,829.68/25,947.72 = 13,507.44/x
  3. Step 3: Cross multiply
    18,829.68x = 25,947.72 × 13,507.44
  4. Step 4: Simplify right side
    18,829.68x = 350,487,271.04
  5. Step 5: Solve for x
    x = 350,487,271.04/18,829.68
  6. Step 6: Final answer
    x = 18,613.55

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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.