Home / 13,957.12-19,259.76-8,367.04

Finding the Fourth Proportional to 13,957.12, 19,259.76 and 8,367.04

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Solution

The fourth proportional to 13,957.12, 19,259.76 and 8,367.04 is: 11,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.12 : 19,259.76 = 8,367.04 : x
  2. Step 2: Convert to fraction form
    13,957.12/19,259.76 = 8,367.04/x
  3. Step 3: Cross multiply
    13,957.12x = 19,259.76 × 8,367.04
  4. Step 4: Simplify right side
    13,957.12x = 161,147,182.31
  5. Step 5: Solve for x
    x = 161,147,182.31/13,957.12
  6. Step 6: Final answer
    x = 11,545.88

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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.