Home / 25,384.32-35,033.40-15,951.60

Finding the Fourth Proportional to 25,384.32, 35,033.40 and 15,951.60

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Solution

The fourth proportional to 25,384.32, 35,033.40 and 15,951.60 is: 22,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,384.32 : 35,033.40 = 15,951.60 : x
  2. Step 2: Convert to fraction form
    25,384.32/35,033.40 = 15,951.60/x
  3. Step 3: Cross multiply
    25,384.32x = 35,033.40 × 15,951.60
  4. Step 4: Simplify right side
    25,384.32x = 558,838,783.44
  5. Step 5: Solve for x
    x = 558,838,783.44/25,384.32
  6. Step 6: Final answer
    x = 22,015.12

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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.