Home / 18,839.95-26,001.21-12,040.24

Finding the Fourth Proportional to 18,839.95, 26,001.21 and 12,040.24

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Solution

The fourth proportional to 18,839.95, 26,001.21 and 12,040.24 is: 16,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.95 : 26,001.21 = 12,040.24 : x
  2. Step 2: Convert to fraction form
    18,839.95/26,001.21 = 12,040.24/x
  3. Step 3: Cross multiply
    18,839.95x = 26,001.21 × 12,040.24
  4. Step 4: Simplify right side
    18,839.95x = 313,060,808.69
  5. Step 5: Solve for x
    x = 313,060,808.69/18,839.95
  6. Step 6: Final answer
    x = 16,616.86

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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.