Home / 34,690.22-47,872.59-18,774.79

Finding the Fourth Proportional to 34,690.22, 47,872.59 and 18,774.79

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Solution

The fourth proportional to 34,690.22, 47,872.59 and 18,774.79 is: 25,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,690.22 : 47,872.59 = 18,774.79 : x
  2. Step 2: Convert to fraction form
    34,690.22/47,872.59 = 18,774.79/x
  3. Step 3: Cross multiply
    34,690.22x = 47,872.59 × 18,774.79
  4. Step 4: Simplify right side
    34,690.22x = 898,797,792.33
  5. Step 5: Solve for x
    x = 898,797,792.33/34,690.22
  6. Step 6: Final answer
    x = 25,909.25

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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.