Home / 22,074.54-30,462.84-12,643.14

Finding the Fourth Proportional to 22,074.54, 30,462.84 and 12,643.14

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Solution

The fourth proportional to 22,074.54, 30,462.84 and 12,643.14 is: 17,447.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,074.54 : 30,462.84 = 12,643.14 : x
  2. Step 2: Convert to fraction form
    22,074.54/30,462.84 = 12,643.14/x
  3. Step 3: Cross multiply
    22,074.54x = 30,462.84 × 12,643.14
  4. Step 4: Simplify right side
    22,074.54x = 385,145,950.92
  5. Step 5: Solve for x
    x = 385,145,950.92/22,074.54
  6. Step 6: Final answer
    x = 17,447.52

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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.