Home / 19,221.08-26,514.51-12,049.46

Finding the Fourth Proportional to 19,221.08, 26,514.51 and 12,049.46

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Solution

The fourth proportional to 19,221.08, 26,514.51 and 12,049.46 is: 16,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.08 : 26,514.51 = 12,049.46 : x
  2. Step 2: Convert to fraction form
    19,221.08/26,514.51 = 12,049.46/x
  3. Step 3: Cross multiply
    19,221.08x = 26,514.51 × 12,049.46
  4. Step 4: Simplify right side
    19,221.08x = 319,485,527.66
  5. Step 5: Solve for x
    x = 319,485,527.66/19,221.08
  6. Step 6: Final answer
    x = 16,621.62

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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.