Home / 18,587.80-25,650.46-10,089.74

Finding the Fourth Proportional to 18,587.80, 25,650.46 and 10,089.74

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Solution

The fourth proportional to 18,587.80, 25,650.46 and 10,089.74 is: 13,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.80 : 25,650.46 = 10,089.74 : x
  2. Step 2: Convert to fraction form
    18,587.80/25,650.46 = 10,089.74/x
  3. Step 3: Cross multiply
    18,587.80x = 25,650.46 × 10,089.74
  4. Step 4: Simplify right side
    18,587.80x = 258,806,472.28
  5. Step 5: Solve for x
    x = 258,806,472.28/18,587.80
  6. Step 6: Final answer
    x = 13,923.46

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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.