Home / 17,643.12-26,441.16-9,321.18

Finding the Fourth Proportional to 17,643.12, 26,441.16 and 9,321.18

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Solution

The fourth proportional to 17,643.12, 26,441.16 and 9,321.18 is: 13,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.12 : 26,441.16 = 9,321.18 : x
  2. Step 2: Convert to fraction form
    17,643.12/26,441.16 = 9,321.18/x
  3. Step 3: Cross multiply
    17,643.12x = 26,441.16 × 9,321.18
  4. Step 4: Simplify right side
    17,643.12x = 246,462,811.77
  5. Step 5: Solve for x
    x = 246,462,811.77/17,643.12
  6. Step 6: Final answer
    x = 13,969.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.