Home / 25,349.50-38,029.35-7,818.58

Finding the Fourth Proportional to 25,349.50, 38,029.35 and 7,818.58

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Solution

The fourth proportional to 25,349.50, 38,029.35 and 7,818.58 is: 11,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,349.50 : 38,029.35 = 7,818.58 : x
  2. Step 2: Convert to fraction form
    25,349.50/38,029.35 = 7,818.58/x
  3. Step 3: Cross multiply
    25,349.50x = 38,029.35 × 7,818.58
  4. Step 4: Simplify right side
    25,349.50x = 297,335,515.32
  5. Step 5: Solve for x
    x = 297,335,515.32/25,349.50
  6. Step 6: Final answer
    x = 11,729.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.