Home / 13,362.36-18,441.78-8,060.16

Finding the Fourth Proportional to 13,362.36, 18,441.78 and 8,060.16

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Solution

The fourth proportional to 13,362.36, 18,441.78 and 8,060.16 is: 11,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.36 : 18,441.78 = 8,060.16 : x
  2. Step 2: Convert to fraction form
    13,362.36/18,441.78 = 8,060.16/x
  3. Step 3: Cross multiply
    13,362.36x = 18,441.78 × 8,060.16
  4. Step 4: Simplify right side
    13,362.36x = 148,643,697.48
  5. Step 5: Solve for x
    x = 148,643,697.48/13,362.36
  6. Step 6: Final answer
    x = 11,124.06

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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.