Home / 12,881.91-19,329.35-9,601.59

Finding the Fourth Proportional to 12,881.91, 19,329.35 and 9,601.59

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Solution

The fourth proportional to 12,881.91, 19,329.35 and 9,601.59 is: 14,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881.91 : 19,329.35 = 9,601.59 : x
  2. Step 2: Convert to fraction form
    12,881.91/19,329.35 = 9,601.59/x
  3. Step 3: Cross multiply
    12,881.91x = 19,329.35 × 9,601.59
  4. Step 4: Simplify right side
    12,881.91x = 185,592,445.66
  5. Step 5: Solve for x
    x = 185,592,445.66/12,881.91
  6. Step 6: Final answer
    x = 14,407.21

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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.