Home / 12,957.27-19,424.03-4,635.33

Finding the Fourth Proportional to 12,957.27, 19,424.03 and 4,635.33

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Solution

The fourth proportional to 12,957.27, 19,424.03 and 4,635.33 is: 6,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.27 : 19,424.03 = 4,635.33 : x
  2. Step 2: Convert to fraction form
    12,957.27/19,424.03 = 4,635.33/x
  3. Step 3: Cross multiply
    12,957.27x = 19,424.03 × 4,635.33
  4. Step 4: Simplify right side
    12,957.27x = 90,036,765.80
  5. Step 5: Solve for x
    x = 90,036,765.80/12,957.27
  6. Step 6: Final answer
    x = 6,948.75

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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.