Home / 13,944.36-19,243.62-8,357.16

Finding the Fourth Proportional to 13,944.36, 19,243.62 and 8,357.16

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Solution

The fourth proportional to 13,944.36, 19,243.62 and 8,357.16 is: 11,533.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.36 : 19,243.62 = 8,357.16 : x
  2. Step 2: Convert to fraction form
    13,944.36/19,243.62 = 8,357.16/x
  3. Step 3: Cross multiply
    13,944.36x = 19,243.62 × 8,357.16
  4. Step 4: Simplify right side
    13,944.36x = 160,822,011.32
  5. Step 5: Solve for x
    x = 160,822,011.32/13,944.36
  6. Step 6: Final answer
    x = 11,533.12

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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.