Home / 25,456.65-35,162.64-19,560.66

Finding the Fourth Proportional to 25,456.65, 35,162.64 and 19,560.66

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Solution

The fourth proportional to 25,456.65, 35,162.64 and 19,560.66 is: 27,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.65 : 35,162.64 = 19,560.66 : x
  2. Step 2: Convert to fraction form
    25,456.65/35,162.64 = 19,560.66/x
  3. Step 3: Cross multiply
    25,456.65x = 35,162.64 × 19,560.66
  4. Step 4: Simplify right side
    25,456.65x = 687,804,445.74
  5. Step 5: Solve for x
    x = 687,804,445.74/25,456.65
  6. Step 6: Final answer
    x = 27,018.66

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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.