Home / 29,185.76-40,276.10-16,611.20

Finding the Fourth Proportional to 29,185.76, 40,276.10 and 16,611.20

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Solution

The fourth proportional to 29,185.76, 40,276.10 and 16,611.20 is: 22,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,185.76 : 40,276.10 = 16,611.20 : x
  2. Step 2: Convert to fraction form
    29,185.76/40,276.10 = 16,611.20/x
  3. Step 3: Cross multiply
    29,185.76x = 40,276.10 × 16,611.20
  4. Step 4: Simplify right side
    29,185.76x = 669,034,352.32
  5. Step 5: Solve for x
    x = 669,034,352.32/29,185.76
  6. Step 6: Final answer
    x = 22,923.31

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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.