Home / 12,823.11-19,236.69-4,925.31

Finding the Fourth Proportional to 12,823.11, 19,236.69 and 4,925.31

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Solution

The fourth proportional to 12,823.11, 19,236.69 and 4,925.31 is: 7,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.11 : 19,236.69 = 4,925.31 : x
  2. Step 2: Convert to fraction form
    12,823.11/19,236.69 = 4,925.31/x
  3. Step 3: Cross multiply
    12,823.11x = 19,236.69 × 4,925.31
  4. Step 4: Simplify right side
    12,823.11x = 94,746,661.62
  5. Step 5: Solve for x
    x = 94,746,661.62/12,823.11
  6. Step 6: Final answer
    x = 7,388.74

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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.