Home / 19,932.42-27,508.90-10,980.84

Finding the Fourth Proportional to 19,932.42, 27,508.90 and 10,980.84

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Solution

The fourth proportional to 19,932.42, 27,508.90 and 10,980.84 is: 15,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.42 : 27,508.90 = 10,980.84 : x
  2. Step 2: Convert to fraction form
    19,932.42/27,508.90 = 10,980.84/x
  3. Step 3: Cross multiply
    19,932.42x = 27,508.90 × 10,980.84
  4. Step 4: Simplify right side
    19,932.42x = 302,070,829.48
  5. Step 5: Solve for x
    x = 302,070,829.48/19,932.42
  6. Step 6: Final answer
    x = 15,154.75

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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.