Home / 14,125.47-21,270.83-10,453.61

Finding the Fourth Proportional to 14,125.47, 21,270.83 and 10,453.61

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Solution

The fourth proportional to 14,125.47, 21,270.83 and 10,453.61 is: 15,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.47 : 21,270.83 = 10,453.61 : x
  2. Step 2: Convert to fraction form
    14,125.47/21,270.83 = 10,453.61/x
  3. Step 3: Cross multiply
    14,125.47x = 21,270.83 × 10,453.61
  4. Step 4: Simplify right side
    14,125.47x = 222,356,961.20
  5. Step 5: Solve for x
    x = 222,356,961.20/14,125.47
  6. Step 6: Final answer
    x = 15,741.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.