Home / 29,615.76-40,868.63-16,186.90

Finding the Fourth Proportional to 29,615.76, 40,868.63 and 16,186.90

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Solution

The fourth proportional to 29,615.76, 40,868.63 and 16,186.90 is: 22,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,615.76 : 40,868.63 = 16,186.90 : x
  2. Step 2: Convert to fraction form
    29,615.76/40,868.63 = 16,186.90/x
  3. Step 3: Cross multiply
    29,615.76x = 40,868.63 × 16,186.90
  4. Step 4: Simplify right side
    29,615.76x = 661,536,346.01
  5. Step 5: Solve for x
    x = 661,536,346.01/29,615.76
  6. Step 6: Final answer
    x = 22,337.31

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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.