Home / 14,617.95-21,930.20-6,822.51

Finding the Fourth Proportional to 14,617.95, 21,930.20 and 6,822.51

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Solution

The fourth proportional to 14,617.95, 21,930.20 and 6,822.51 is: 10,235.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.95 : 21,930.20 = 6,822.51 : x
  2. Step 2: Convert to fraction form
    14,617.95/21,930.20 = 6,822.51/x
  3. Step 3: Cross multiply
    14,617.95x = 21,930.20 × 6,822.51
  4. Step 4: Simplify right side
    14,617.95x = 149,618,974.69
  5. Step 5: Solve for x
    x = 149,618,974.69/14,617.95
  6. Step 6: Final answer
    x = 10,235.29

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1.5x scale

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.