Home / 18,587.73-25,650.50-10,089.45

Finding the Fourth Proportional to 18,587.73, 25,650.50 and 10,089.45

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Solution

The fourth proportional to 18,587.73, 25,650.50 and 10,089.45 is: 13,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.73 : 25,650.50 = 10,089.45 : x
  2. Step 2: Convert to fraction form
    18,587.73/25,650.50 = 10,089.45/x
  3. Step 3: Cross multiply
    18,587.73x = 25,650.50 × 10,089.45
  4. Step 4: Simplify right side
    18,587.73x = 258,799,386.78
  5. Step 5: Solve for x
    x = 258,799,386.78/18,587.73
  6. Step 6: Final answer
    x = 13,923.13

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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.