Home / 29,613.96-40,869.70-16,871.14

Finding the Fourth Proportional to 29,613.96, 40,869.70 and 16,871.14

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Solution

The fourth proportional to 29,613.96, 40,869.70 and 16,871.14 is: 23,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,613.96 : 40,869.70 = 16,871.14 : x
  2. Step 2: Convert to fraction form
    29,613.96/40,869.70 = 16,871.14/x
  3. Step 3: Cross multiply
    29,613.96x = 40,869.70 × 16,871.14
  4. Step 4: Simplify right side
    29,613.96x = 689,518,209.48
  5. Step 5: Solve for x
    x = 689,518,209.48/29,613.96
  6. Step 6: Final answer
    x = 23,283.55

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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.