Home / 18,587.90-25,650.43-10,089.83

Finding the Fourth Proportional to 18,587.90, 25,650.43 and 10,089.83

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Solution

The fourth proportional to 18,587.90, 25,650.43 and 10,089.83 is: 13,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.90 : 25,650.43 = 10,089.83 : x
  2. Step 2: Convert to fraction form
    18,587.90/25,650.43 = 10,089.83/x
  3. Step 3: Cross multiply
    18,587.90x = 25,650.43 × 10,089.83
  4. Step 4: Simplify right side
    18,587.90x = 258,808,427.68
  5. Step 5: Solve for x
    x = 258,808,427.68/18,587.90
  6. Step 6: Final answer
    x = 13,923.49

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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.