Home / 25,717.16-35,489.70-15,106.92

Finding the Fourth Proportional to 25,717.16, 35,489.70 and 15,106.92

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Solution

The fourth proportional to 25,717.16, 35,489.70 and 15,106.92 is: 20,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.16 : 35,489.70 = 15,106.92 : x
  2. Step 2: Convert to fraction form
    25,717.16/35,489.70 = 15,106.92/x
  3. Step 3: Cross multiply
    25,717.16x = 35,489.70 × 15,106.92
  4. Step 4: Simplify right side
    25,717.16x = 536,140,058.72
  5. Step 5: Solve for x
    x = 536,140,058.72/25,717.16
  6. Step 6: Final answer
    x = 20,847.56

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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.