Home / 12,967.12-19,440.60-5,565.52

Finding the Fourth Proportional to 12,967.12, 19,440.60 and 5,565.52

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Solution

The fourth proportional to 12,967.12, 19,440.60 and 5,565.52 is: 8,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.12 : 19,440.60 = 5,565.52 : x
  2. Step 2: Convert to fraction form
    12,967.12/19,440.60 = 5,565.52/x
  3. Step 3: Cross multiply
    12,967.12x = 19,440.60 × 5,565.52
  4. Step 4: Simplify right side
    12,967.12x = 108,197,048.11
  5. Step 5: Solve for x
    x = 108,197,048.11/12,967.12
  6. Step 6: Final answer
    x = 8,343.95

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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.