Home / 14,571.12-20,116.44-9,617.52

Finding the Fourth Proportional to 14,571.12, 20,116.44 and 9,617.52

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Solution

The fourth proportional to 14,571.12, 20,116.44 and 9,617.52 is: 13,277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.12 : 20,116.44 = 9,617.52 : x
  2. Step 2: Convert to fraction form
    14,571.12/20,116.44 = 9,617.52/x
  3. Step 3: Cross multiply
    14,571.12x = 20,116.44 × 9,617.52
  4. Step 4: Simplify right side
    14,571.12x = 193,470,264.03
  5. Step 5: Solve for x
    x = 193,470,264.03/14,571.12
  6. Step 6: Final answer
    x = 13,277.65

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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.