Home / 18,199.14-25,115.06-10,649.89

Finding the Fourth Proportional to 18,199.14, 25,115.06 and 10,649.89

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Solution

The fourth proportional to 18,199.14, 25,115.06 and 10,649.89 is: 14,696.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.14 : 25,115.06 = 10,649.89 : x
  2. Step 2: Convert to fraction form
    18,199.14/25,115.06 = 10,649.89/x
  3. Step 3: Cross multiply
    18,199.14x = 25,115.06 × 10,649.89
  4. Step 4: Simplify right side
    18,199.14x = 267,472,483.18
  5. Step 5: Solve for x
    x = 267,472,483.18/18,199.14
  6. Step 6: Final answer
    x = 14,696.99

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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.