Home / 12,565.54-17,325.21-10,860.97

Finding the Fourth Proportional to 12,565.54, 17,325.21 and 10,860.97

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Solution

The fourth proportional to 12,565.54, 17,325.21 and 10,860.97 is: 14,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.54 : 17,325.21 = 10,860.97 : x
  2. Step 2: Convert to fraction form
    12,565.54/17,325.21 = 10,860.97/x
  3. Step 3: Cross multiply
    12,565.54x = 17,325.21 × 10,860.97
  4. Step 4: Simplify right side
    12,565.54x = 188,168,586.05
  5. Step 5: Solve for x
    x = 188,168,586.05/12,565.54
  6. Step 6: Final answer
    x = 14,974.97

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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.