Home / 20,062.56-27,690.96-19,125.12

Finding the Fourth Proportional to 20,062.56, 27,690.96 and 19,125.12

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Solution

The fourth proportional to 20,062.56, 27,690.96 and 19,125.12 is: 26,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.56 : 27,690.96 = 19,125.12 : x
  2. Step 2: Convert to fraction form
    20,062.56/27,690.96 = 19,125.12/x
  3. Step 3: Cross multiply
    20,062.56x = 27,690.96 × 19,125.12
  4. Step 4: Simplify right side
    20,062.56x = 529,592,932.92
  5. Step 5: Solve for x
    x = 529,592,932.92/20,062.56
  6. Step 6: Final answer
    x = 26,397.08

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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.