Home / 18,196.98-25,116.66-10,642.92

Finding the Fourth Proportional to 18,196.98, 25,116.66 and 10,642.92

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Solution

The fourth proportional to 18,196.98, 25,116.66 and 10,642.92 is: 14,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.98 : 25,116.66 = 10,642.92 : x
  2. Step 2: Convert to fraction form
    18,196.98/25,116.66 = 10,642.92/x
  3. Step 3: Cross multiply
    18,196.98x = 25,116.66 × 10,642.92
  4. Step 4: Simplify right side
    18,196.98x = 267,314,603.05
  5. Step 5: Solve for x
    x = 267,314,603.05/18,196.98
  6. Step 6: Final answer
    x = 14,690.05

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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.