Home / 13,825.68-19,082.16-9,631.50

Finding the Fourth Proportional to 13,825.68, 19,082.16 and 9,631.50

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Solution

The fourth proportional to 13,825.68, 19,082.16 and 9,631.50 is: 13,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.68 : 19,082.16 = 9,631.50 : x
  2. Step 2: Convert to fraction form
    13,825.68/19,082.16 = 9,631.50/x
  3. Step 3: Cross multiply
    13,825.68x = 19,082.16 × 9,631.50
  4. Step 4: Simplify right side
    13,825.68x = 183,789,824.04
  5. Step 5: Solve for x
    x = 183,789,824.04/13,825.68
  6. Step 6: Final answer
    x = 13,293.37

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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.