Home / 34,729.12-47,926.14-18,813.64

Finding the Fourth Proportional to 34,729.12, 47,926.14 and 18,813.64

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Solution

The fourth proportional to 34,729.12, 47,926.14 and 18,813.64 is: 25,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,729.12 : 47,926.14 = 18,813.64 : x
  2. Step 2: Convert to fraction form
    34,729.12/47,926.14 = 18,813.64/x
  3. Step 3: Cross multiply
    34,729.12x = 47,926.14 × 18,813.64
  4. Step 4: Simplify right side
    34,729.12x = 901,665,144.55
  5. Step 5: Solve for x
    x = 901,665,144.55/34,729.12
  6. Step 6: Final answer
    x = 25,962.80

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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.