Home / 19,919.56-27,488.92-10,967.08

Finding the Fourth Proportional to 19,919.56, 27,488.92 and 10,967.08

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Solution

The fourth proportional to 19,919.56, 27,488.92 and 10,967.08 is: 15,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.56 : 27,488.92 = 10,967.08 : x
  2. Step 2: Convert to fraction form
    19,919.56/27,488.92 = 10,967.08/x
  3. Step 3: Cross multiply
    19,919.56x = 27,488.92 × 10,967.08
  4. Step 4: Simplify right side
    19,919.56x = 301,473,184.75
  5. Step 5: Solve for x
    x = 301,473,184.75/19,919.56
  6. Step 6: Final answer
    x = 15,134.53

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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.