Home / 25,636.92-35,381.38-15,563.04

Finding the Fourth Proportional to 25,636.92, 35,381.38 and 15,563.04

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Solution

The fourth proportional to 25,636.92, 35,381.38 and 15,563.04 is: 21,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636.92 : 35,381.38 = 15,563.04 : x
  2. Step 2: Convert to fraction form
    25,636.92/35,381.38 = 15,563.04/x
  3. Step 3: Cross multiply
    25,636.92x = 35,381.38 × 15,563.04
  4. Step 4: Simplify right side
    25,636.92x = 550,641,832.20
  5. Step 5: Solve for x
    x = 550,641,832.20/25,636.92
  6. Step 6: Final answer
    x = 21,478.47

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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.