Home / 14,024.44-20,921.81-13,643.11

Finding the Fourth Proportional to 14,024.44, 20,921.81 and 13,643.11

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Solution

The fourth proportional to 14,024.44, 20,921.81 and 13,643.11 is: 20,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,024.44 : 20,921.81 = 13,643.11 : x
  2. Step 2: Convert to fraction form
    14,024.44/20,921.81 = 13,643.11/x
  3. Step 3: Cross multiply
    14,024.44x = 20,921.81 × 13,643.11
  4. Step 4: Simplify right side
    14,024.44x = 285,438,555.23
  5. Step 5: Solve for x
    x = 285,438,555.23/14,024.44
  6. Step 6: Final answer
    x = 20,352.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.