Home / 25,627.68-35,366.36-15,017.40

Finding the Fourth Proportional to 25,627.68, 35,366.36 and 15,017.40

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Solution

The fourth proportional to 25,627.68, 35,366.36 and 15,017.40 is: 20,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627.68 : 35,366.36 = 15,017.40 : x
  2. Step 2: Convert to fraction form
    25,627.68/35,366.36 = 15,017.40/x
  3. Step 3: Cross multiply
    25,627.68x = 35,366.36 × 15,017.40
  4. Step 4: Simplify right side
    25,627.68x = 531,110,774.66
  5. Step 5: Solve for x
    x = 531,110,774.66/25,627.68
  6. Step 6: Final answer
    x = 20,724.11

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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.