Home / 13,514.44-18,659.15-8,806.93

Finding the Fourth Proportional to 13,514.44, 18,659.15 and 8,806.93

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Solution

The fourth proportional to 13,514.44, 18,659.15 and 8,806.93 is: 12,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.44 : 18,659.15 = 8,806.93 : x
  2. Step 2: Convert to fraction form
    13,514.44/18,659.15 = 8,806.93/x
  3. Step 3: Cross multiply
    13,514.44x = 18,659.15 × 8,806.93
  4. Step 4: Simplify right side
    13,514.44x = 164,329,827.91
  5. Step 5: Solve for x
    x = 164,329,827.91/13,514.44
  6. Step 6: Final answer
    x = 12,159.57

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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.