Home / 13,331.52-18,396.59-7,362.36

Finding the Fourth Proportional to 13,331.52, 18,396.59 and 7,362.36

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Solution

The fourth proportional to 13,331.52, 18,396.59 and 7,362.36 is: 10,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.52 : 18,396.59 = 7,362.36 : x
  2. Step 2: Convert to fraction form
    13,331.52/18,396.59 = 7,362.36/x
  3. Step 3: Cross multiply
    13,331.52x = 18,396.59 × 7,362.36
  4. Step 4: Simplify right side
    13,331.52x = 135,442,281.54
  5. Step 5: Solve for x
    x = 135,442,281.54/13,331.52
  6. Step 6: Final answer
    x = 10,159.55

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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.