Home / 25,576.32-38,393.28-19,802.56

Finding the Fourth Proportional to 25,576.32, 38,393.28 and 19,802.56

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Solution

The fourth proportional to 25,576.32, 38,393.28 and 19,802.56 is: 29,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.32 : 38,393.28 = 19,802.56 : x
  2. Step 2: Convert to fraction form
    25,576.32/38,393.28 = 19,802.56/x
  3. Step 3: Cross multiply
    25,576.32x = 38,393.28 × 19,802.56
  4. Step 4: Simplify right side
    25,576.32x = 760,285,230.80
  5. Step 5: Solve for x
    x = 760,285,230.80/25,576.32
  6. Step 6: Final answer
    x = 29,726.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.