Home / 29,156.06-40,241.34-18,543.64

Finding the Fourth Proportional to 29,156.06, 40,241.34 and 18,543.64

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Solution

The fourth proportional to 29,156.06, 40,241.34 and 18,543.64 is: 25,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156.06 : 40,241.34 = 18,543.64 : x
  2. Step 2: Convert to fraction form
    29,156.06/40,241.34 = 18,543.64/x
  3. Step 3: Cross multiply
    29,156.06x = 40,241.34 × 18,543.64
  4. Step 4: Simplify right side
    29,156.06x = 746,220,922.08
  5. Step 5: Solve for x
    x = 746,220,922.08/29,156.06
  6. Step 6: Final answer
    x = 25,594.02

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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.