Home / 25,611.16-35,359.54-19,631.56

Finding the Fourth Proportional to 25,611.16, 35,359.54 and 19,631.56

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Solution

The fourth proportional to 25,611.16, 35,359.54 and 19,631.56 is: 27,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.16 : 35,359.54 = 19,631.56 : x
  2. Step 2: Convert to fraction form
    25,611.16/35,359.54 = 19,631.56/x
  3. Step 3: Cross multiply
    25,611.16x = 35,359.54 × 19,631.56
  4. Step 4: Simplify right side
    25,611.16x = 694,162,931.08
  5. Step 5: Solve for x
    x = 694,162,931.08/25,611.16
  6. Step 6: Final answer
    x = 27,103.92

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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.