Home / 14,613.26-20,182.64-9,889.34

Finding the Fourth Proportional to 14,613.26, 20,182.64 and 9,889.34

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Solution

The fourth proportional to 14,613.26, 20,182.64 and 9,889.34 is: 13,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.26 : 20,182.64 = 9,889.34 : x
  2. Step 2: Convert to fraction form
    14,613.26/20,182.64 = 9,889.34/x
  3. Step 3: Cross multiply
    14,613.26x = 20,182.64 × 9,889.34
  4. Step 4: Simplify right side
    14,613.26x = 199,592,838.70
  5. Step 5: Solve for x
    x = 199,592,838.70/14,613.26
  6. Step 6: Final answer
    x = 13,658.34

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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.