Home / 29,837.55-41,182.10-18,928.60

Finding the Fourth Proportional to 29,837.55, 41,182.10 and 18,928.60

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Solution

The fourth proportional to 29,837.55, 41,182.10 and 18,928.60 is: 26,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,837.55 : 41,182.10 = 18,928.60 : x
  2. Step 2: Convert to fraction form
    29,837.55/41,182.10 = 18,928.60/x
  3. Step 3: Cross multiply
    29,837.55x = 41,182.10 × 18,928.60
  4. Step 4: Simplify right side
    29,837.55x = 779,519,403.42
  5. Step 5: Solve for x
    x = 779,519,403.42/29,837.55
  6. Step 6: Final answer
    x = 26,125.45

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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.