Home / 25,513.32-35,200.74-20,191.62

Finding the Fourth Proportional to 25,513.32, 35,200.74 and 20,191.62

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Solution

The fourth proportional to 25,513.32, 35,200.74 and 20,191.62 is: 27,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513.32 : 35,200.74 = 20,191.62 : x
  2. Step 2: Convert to fraction form
    25,513.32/35,200.74 = 20,191.62/x
  3. Step 3: Cross multiply
    25,513.32x = 35,200.74 × 20,191.62
  4. Step 4: Simplify right side
    25,513.32x = 710,759,965.80
  5. Step 5: Solve for x
    x = 710,759,965.80/25,513.32
  6. Step 6: Final answer
    x = 27,858.39

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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.