Home / 18,217.29-25,140.69-11,047.41

Finding the Fourth Proportional to 18,217.29, 25,140.69 and 11,047.41

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Solution

The fourth proportional to 18,217.29, 25,140.69 and 11,047.41 is: 15,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.29 : 25,140.69 = 11,047.41 : x
  2. Step 2: Convert to fraction form
    18,217.29/25,140.69 = 11,047.41/x
  3. Step 3: Cross multiply
    18,217.29x = 25,140.69 × 11,047.41
  4. Step 4: Simplify right side
    18,217.29x = 277,739,510.11
  5. Step 5: Solve for x
    x = 277,739,510.11/18,217.29
  6. Step 6: Final answer
    x = 15,245.93

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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.