Home / 25,196.49-34,776.41-15,125.36

Finding the Fourth Proportional to 25,196.49, 34,776.41 and 15,125.36

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Solution

The fourth proportional to 25,196.49, 34,776.41 and 15,125.36 is: 20,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,196.49 : 34,776.41 = 15,125.36 : x
  2. Step 2: Convert to fraction form
    25,196.49/34,776.41 = 15,125.36/x
  3. Step 3: Cross multiply
    25,196.49x = 34,776.41 × 15,125.36
  4. Step 4: Simplify right side
    25,196.49x = 526,005,471.25
  5. Step 5: Solve for x
    x = 526,005,471.25/25,196.49
  6. Step 6: Final answer
    x = 20,876.14

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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.