Home / 18,587.32-25,650.07-10,089.45

Finding the Fourth Proportional to 18,587.32, 25,650.07 and 10,089.45

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Solution

The fourth proportional to 18,587.32, 25,650.07 and 10,089.45 is: 13,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.32 : 25,650.07 = 10,089.45 : x
  2. Step 2: Convert to fraction form
    18,587.32/25,650.07 = 10,089.45/x
  3. Step 3: Cross multiply
    18,587.32x = 25,650.07 × 10,089.45
  4. Step 4: Simplify right side
    18,587.32x = 258,795,073.54
  5. Step 5: Solve for x
    x = 258,795,073.54/18,587.32
  6. Step 6: Final answer
    x = 13,923.21

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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.