Home / 18,447.98-25,456.75-10,488.51

Finding the Fourth Proportional to 18,447.98, 25,456.75 and 10,488.51

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Solution

The fourth proportional to 18,447.98, 25,456.75 and 10,488.51 is: 14,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.98 : 25,456.75 = 10,488.51 : x
  2. Step 2: Convert to fraction form
    18,447.98/25,456.75 = 10,488.51/x
  3. Step 3: Cross multiply
    18,447.98x = 25,456.75 × 10,488.51
  4. Step 4: Simplify right side
    18,447.98x = 267,003,350.72
  5. Step 5: Solve for x
    x = 267,003,350.72/18,447.98
  6. Step 6: Final answer
    x = 14,473.31

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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.