Home / 19,743.06-29,630.13-9,207.66

Finding the Fourth Proportional to 19,743.06, 29,630.13 and 9,207.66

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Solution

The fourth proportional to 19,743.06, 29,630.13 and 9,207.66 is: 13,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.06 : 29,630.13 = 9,207.66 : x
  2. Step 2: Convert to fraction form
    19,743.06/29,630.13 = 9,207.66/x
  3. Step 3: Cross multiply
    19,743.06x = 29,630.13 × 9,207.66
  4. Step 4: Simplify right side
    19,743.06x = 272,824,162.80
  5. Step 5: Solve for x
    x = 272,824,162.80/19,743.06
  6. Step 6: Final answer
    x = 13,818.74

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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.