Home / 15,292.66-21,072.24-12,296.46

Finding the Fourth Proportional to 15,292.66, 21,072.24 and 12,296.46

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Solution

The fourth proportional to 15,292.66, 21,072.24 and 12,296.46 is: 16,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.66 : 21,072.24 = 12,296.46 : x
  2. Step 2: Convert to fraction form
    15,292.66/21,072.24 = 12,296.46/x
  3. Step 3: Cross multiply
    15,292.66x = 21,072.24 × 12,296.46
  4. Step 4: Simplify right side
    15,292.66x = 259,113,956.27
  5. Step 5: Solve for x
    x = 259,113,956.27/15,292.66
  6. Step 6: Final answer
    x = 16,943.68

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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.