Home / 18,276.45-25,225.51-11,571.02

Finding the Fourth Proportional to 18,276.45, 25,225.51 and 11,571.02

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Solution

The fourth proportional to 18,276.45, 25,225.51 and 11,571.02 is: 15,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.45 : 25,225.51 = 11,571.02 : x
  2. Step 2: Convert to fraction form
    18,276.45/25,225.51 = 11,571.02/x
  3. Step 3: Cross multiply
    18,276.45x = 25,225.51 × 11,571.02
  4. Step 4: Simplify right side
    18,276.45x = 291,884,841.96
  5. Step 5: Solve for x
    x = 291,884,841.96/18,276.45
  6. Step 6: Final answer
    x = 15,970.54

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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.