Home / 25,571.08-35,280.64-14,815.24

Finding the Fourth Proportional to 25,571.08, 35,280.64 and 14,815.24

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Solution

The fourth proportional to 25,571.08, 35,280.64 and 14,815.24 is: 20,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.08 : 35,280.64 = 14,815.24 : x
  2. Step 2: Convert to fraction form
    25,571.08/35,280.64 = 14,815.24/x
  3. Step 3: Cross multiply
    25,571.08x = 35,280.64 × 14,815.24
  4. Step 4: Simplify right side
    25,571.08x = 522,691,148.95
  5. Step 5: Solve for x
    x = 522,691,148.95/25,571.08
  6. Step 6: Final answer
    x = 20,440.71

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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.