Home / 13,216.41-19,825.56-4,781.88

Finding the Fourth Proportional to 13,216.41, 19,825.56 and 4,781.88

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Solution

The fourth proportional to 13,216.41, 19,825.56 and 4,781.88 is: 7,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.41 : 19,825.56 = 4,781.88 : x
  2. Step 2: Convert to fraction form
    13,216.41/19,825.56 = 4,781.88/x
  3. Step 3: Cross multiply
    13,216.41x = 19,825.56 × 4,781.88
  4. Step 4: Simplify right side
    13,216.41x = 94,803,448.85
  5. Step 5: Solve for x
    x = 94,803,448.85/13,216.41
  6. Step 6: Final answer
    x = 7,173.16

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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.