Home / 25,943.55-38,911.23-8,409.29

Finding the Fourth Proportional to 25,943.55, 38,911.23 and 8,409.29

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Solution

The fourth proportional to 25,943.55, 38,911.23 and 8,409.29 is: 12,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,943.55 : 38,911.23 = 8,409.29 : x
  2. Step 2: Convert to fraction form
    25,943.55/38,911.23 = 8,409.29/x
  3. Step 3: Cross multiply
    25,943.55x = 38,911.23 × 8,409.29
  4. Step 4: Simplify right side
    25,943.55x = 327,215,622.77
  5. Step 5: Solve for x
    x = 327,215,622.77/25,943.55
  6. Step 6: Final answer
    x = 12,612.60

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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.