Home / 25,196.68-34,767.75-15,122.98

Finding the Fourth Proportional to 25,196.68, 34,767.75 and 15,122.98

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Solution

The fourth proportional to 25,196.68, 34,767.75 and 15,122.98 is: 20,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,196.68 : 34,767.75 = 15,122.98 : x
  2. Step 2: Convert to fraction form
    25,196.68/34,767.75 = 15,122.98/x
  3. Step 3: Cross multiply
    25,196.68x = 34,767.75 × 15,122.98
  4. Step 4: Simplify right side
    25,196.68x = 525,791,987.90
  5. Step 5: Solve for x
    x = 525,791,987.90/25,196.68
  6. Step 6: Final answer
    x = 20,867.51

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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.