Home / 13,935.62-19,231.02-7,562.22

Finding the Fourth Proportional to 13,935.62, 19,231.02 and 7,562.22

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Solution

The fourth proportional to 13,935.62, 19,231.02 and 7,562.22 is: 10,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.62 : 19,231.02 = 7,562.22 : x
  2. Step 2: Convert to fraction form
    13,935.62/19,231.02 = 7,562.22/x
  3. Step 3: Cross multiply
    13,935.62x = 19,231.02 × 7,562.22
  4. Step 4: Simplify right side
    13,935.62x = 145,429,204.06
  5. Step 5: Solve for x
    x = 145,429,204.06/13,935.62
  6. Step 6: Final answer
    x = 10,435.79

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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.