Home / 19,884.60-27,439.58-10,932.10

Finding the Fourth Proportional to 19,884.60, 27,439.58 and 10,932.10

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Solution

The fourth proportional to 19,884.60, 27,439.58 and 10,932.10 is: 15,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.60 : 27,439.58 = 10,932.10 : x
  2. Step 2: Convert to fraction form
    19,884.60/27,439.58 = 10,932.10/x
  3. Step 3: Cross multiply
    19,884.60x = 27,439.58 × 10,932.10
  4. Step 4: Simplify right side
    19,884.60x = 299,972,232.52
  5. Step 5: Solve for x
    x = 299,972,232.52/19,884.60
  6. Step 6: Final answer
    x = 15,085.66

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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.