Home / 18,167.19-25,069.75-10,208.90

Finding the Fourth Proportional to 18,167.19, 25,069.75 and 10,208.90

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Solution

The fourth proportional to 18,167.19, 25,069.75 and 10,208.90 is: 14,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.19 : 25,069.75 = 10,208.90 : x
  2. Step 2: Convert to fraction form
    18,167.19/25,069.75 = 10,208.90/x
  3. Step 3: Cross multiply
    18,167.19x = 25,069.75 × 10,208.90
  4. Step 4: Simplify right side
    18,167.19x = 255,934,570.78
  5. Step 5: Solve for x
    x = 255,934,570.78/18,167.19
  6. Step 6: Final answer
    x = 14,087.74

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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.