Home / 25,487.10-38,230.65-23,643.90

Finding the Fourth Proportional to 25,487.10, 38,230.65 and 23,643.90

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Solution

The fourth proportional to 25,487.10, 38,230.65 and 23,643.90 is: 35,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.10 : 38,230.65 = 23,643.90 : x
  2. Step 2: Convert to fraction form
    25,487.10/38,230.65 = 23,643.90/x
  3. Step 3: Cross multiply
    25,487.10x = 38,230.65 × 23,643.90
  4. Step 4: Simplify right side
    25,487.10x = 903,921,665.54
  5. Step 5: Solve for x
    x = 903,921,665.54/25,487.10
  6. Step 6: Final answer
    x = 35,465.85

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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.