Home / 12,095.91-18,147.51-10,006.47

Finding the Fourth Proportional to 12,095.91, 18,147.51 and 10,006.47

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Solution

The fourth proportional to 12,095.91, 18,147.51 and 10,006.47 is: 15,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.91 : 18,147.51 = 10,006.47 : x
  2. Step 2: Convert to fraction form
    12,095.91/18,147.51 = 10,006.47/x
  3. Step 3: Cross multiply
    12,095.91x = 18,147.51 × 10,006.47
  4. Step 4: Simplify right side
    12,095.91x = 181,592,514.39
  5. Step 5: Solve for x
    x = 181,592,514.39/12,095.91
  6. Step 6: Final answer
    x = 15,012.72

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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.