Home / 12,948.30-19,424.58-5,552.88

Finding the Fourth Proportional to 12,948.30, 19,424.58 and 5,552.88

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Solution

The fourth proportional to 12,948.30, 19,424.58 and 5,552.88 is: 8,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.30 : 19,424.58 = 5,552.88 : x
  2. Step 2: Convert to fraction form
    12,948.30/19,424.58 = 5,552.88/x
  3. Step 3: Cross multiply
    12,948.30x = 19,424.58 × 5,552.88
  4. Step 4: Simplify right side
    12,948.30x = 107,862,361.79
  5. Step 5: Solve for x
    x = 107,862,361.79/12,948.30
  6. Step 6: Final answer
    x = 8,330.23

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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.