Home / 19,932.08-27,505.91-10,980.42

Finding the Fourth Proportional to 19,932.08, 27,505.91 and 10,980.42

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Solution

The fourth proportional to 19,932.08, 27,505.91 and 10,980.42 is: 15,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.08 : 27,505.91 = 10,980.42 : x
  2. Step 2: Convert to fraction form
    19,932.08/27,505.91 = 10,980.42/x
  3. Step 3: Cross multiply
    19,932.08x = 27,505.91 × 10,980.42
  4. Step 4: Simplify right side
    19,932.08x = 302,026,444.28
  5. Step 5: Solve for x
    x = 302,026,444.28/19,932.08
  6. Step 6: Final answer
    x = 15,152.78

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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.