Home / 15,334.58-21,163.68-9,364.98

Finding the Fourth Proportional to 15,334.58, 21,163.68 and 9,364.98

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Solution

The fourth proportional to 15,334.58, 21,163.68 and 9,364.98 is: 12,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,334.58 : 21,163.68 = 9,364.98 : x
  2. Step 2: Convert to fraction form
    15,334.58/21,163.68 = 9,364.98/x
  3. Step 3: Cross multiply
    15,334.58x = 21,163.68 × 9,364.98
  4. Step 4: Simplify right side
    15,334.58x = 198,197,519.29
  5. Step 5: Solve for x
    x = 198,197,519.29/15,334.58
  6. Step 6: Final answer
    x = 12,924.87

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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.