Home / 25,731.75-35,509.82-13,955.75

Finding the Fourth Proportional to 25,731.75, 35,509.82 and 13,955.75

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Solution

The fourth proportional to 25,731.75, 35,509.82 and 13,955.75 is: 19,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.75 : 35,509.82 = 13,955.75 : x
  2. Step 2: Convert to fraction form
    25,731.75/35,509.82 = 13,955.75/x
  3. Step 3: Cross multiply
    25,731.75x = 35,509.82 × 13,955.75
  4. Step 4: Simplify right side
    25,731.75x = 495,566,170.47
  5. Step 5: Solve for x
    x = 495,566,170.47/25,731.75
  6. Step 6: Final answer
    x = 19,258.94

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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.