Home / 18,587.98-25,650.84-10,089.70

Finding the Fourth Proportional to 18,587.98, 25,650.84 and 10,089.70

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Solution

The fourth proportional to 18,587.98, 25,650.84 and 10,089.70 is: 13,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.98 : 25,650.84 = 10,089.70 : x
  2. Step 2: Convert to fraction form
    18,587.98/25,650.84 = 10,089.70/x
  3. Step 3: Cross multiply
    18,587.98x = 25,650.84 × 10,089.70
  4. Step 4: Simplify right side
    18,587.98x = 258,809,280.35
  5. Step 5: Solve for x
    x = 258,809,280.35/18,587.98
  6. Step 6: Final answer
    x = 13,923.48

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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.