Home / 12,425.26-18,566.88-9,447.34

Finding the Fourth Proportional to 12,425.26, 18,566.88 and 9,447.34

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Solution

The fourth proportional to 12,425.26, 18,566.88 and 9,447.34 is: 14,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.26 : 18,566.88 = 9,447.34 : x
  2. Step 2: Convert to fraction form
    12,425.26/18,566.88 = 9,447.34/x
  3. Step 3: Cross multiply
    12,425.26x = 18,566.88 × 9,447.34
  4. Step 4: Simplify right side
    12,425.26x = 175,407,628.10
  5. Step 5: Solve for x
    x = 175,407,628.10/12,425.26
  6. Step 6: Final answer
    x = 14,117.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.