Home / 25,319.22-34,929.81-16,938.42

Finding the Fourth Proportional to 25,319.22, 34,929.81 and 16,938.42

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Solution

The fourth proportional to 25,319.22, 34,929.81 and 16,938.42 is: 23,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319.22 : 34,929.81 = 16,938.42 : x
  2. Step 2: Convert to fraction form
    25,319.22/34,929.81 = 16,938.42/x
  3. Step 3: Cross multiply
    25,319.22x = 34,929.81 × 16,938.42
  4. Step 4: Simplify right side
    25,319.22x = 591,655,792.30
  5. Step 5: Solve for x
    x = 591,655,792.30/25,319.22
  6. Step 6: Final answer
    x = 23,367.85

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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.