Home / 25,680.09-38,467.06-15,117.56

Finding the Fourth Proportional to 25,680.09, 38,467.06 and 15,117.56

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Solution

The fourth proportional to 25,680.09, 38,467.06 and 15,117.56 is: 22,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.09 : 38,467.06 = 15,117.56 : x
  2. Step 2: Convert to fraction form
    25,680.09/38,467.06 = 15,117.56/x
  3. Step 3: Cross multiply
    25,680.09x = 38,467.06 × 15,117.56
  4. Step 4: Simplify right side
    25,680.09x = 581,528,087.57
  5. Step 5: Solve for x
    x = 581,528,087.57/25,680.09
  6. Step 6: Final answer
    x = 22,645.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.