Home / 29,375.93-40,528.77-18,771.68

Finding the Fourth Proportional to 29,375.93, 40,528.77 and 18,771.68

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Solution

The fourth proportional to 29,375.93, 40,528.77 and 18,771.68 is: 25,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.93 : 40,528.77 = 18,771.68 : x
  2. Step 2: Convert to fraction form
    29,375.93/40,528.77 = 18,771.68/x
  3. Step 3: Cross multiply
    29,375.93x = 40,528.77 × 18,771.68
  4. Step 4: Simplify right side
    29,375.93x = 760,793,101.23
  5. Step 5: Solve for x
    x = 760,793,101.23/29,375.93
  6. Step 6: Final answer
    x = 25,898.52

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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.