Home / 20,734.44-28,613.82-11,303.16

Finding the Fourth Proportional to 20,734.44, 28,613.82 and 11,303.16

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Solution

The fourth proportional to 20,734.44, 28,613.82 and 11,303.16 is: 15,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.44 : 28,613.82 = 11,303.16 : x
  2. Step 2: Convert to fraction form
    20,734.44/28,613.82 = 11,303.16/x
  3. Step 3: Cross multiply
    20,734.44x = 28,613.82 × 11,303.16
  4. Step 4: Simplify right side
    20,734.44x = 323,426,585.67
  5. Step 5: Solve for x
    x = 323,426,585.67/20,734.44
  6. Step 6: Final answer
    x = 15,598.52

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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.