Home / 25,713.10-35,480.32-15,106.15

Finding the Fourth Proportional to 25,713.10, 35,480.32 and 15,106.15

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Solution

The fourth proportional to 25,713.10, 35,480.32 and 15,106.15 is: 20,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,713.10 : 35,480.32 = 15,106.15 : x
  2. Step 2: Convert to fraction form
    25,713.10/35,480.32 = 15,106.15/x
  3. Step 3: Cross multiply
    25,713.10x = 35,480.32 × 15,106.15
  4. Step 4: Simplify right side
    25,713.10x = 535,971,035.97
  5. Step 5: Solve for x
    x = 535,971,035.97/25,713.10
  6. Step 6: Final answer
    x = 20,844.28

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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.