Home / 25,220.90-34,774.01-15,773.06

Finding the Fourth Proportional to 25,220.90, 34,774.01 and 15,773.06

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Solution

The fourth proportional to 25,220.90, 34,774.01 and 15,773.06 is: 21,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.90 : 34,774.01 = 15,773.06 : x
  2. Step 2: Convert to fraction form
    25,220.90/34,774.01 = 15,773.06/x
  3. Step 3: Cross multiply
    25,220.90x = 34,774.01 × 15,773.06
  4. Step 4: Simplify right side
    25,220.90x = 548,492,613.39
  5. Step 5: Solve for x
    x = 548,492,613.39/25,220.90
  6. Step 6: Final answer
    x = 21,747.54

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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.