Home / 15,651.09-21,605.27-9,362.25

Finding the Fourth Proportional to 15,651.09, 21,605.27 and 9,362.25

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Solution

The fourth proportional to 15,651.09, 21,605.27 and 9,362.25 is: 12,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.09 : 21,605.27 = 9,362.25 : x
  2. Step 2: Convert to fraction form
    15,651.09/21,605.27 = 9,362.25/x
  3. Step 3: Cross multiply
    15,651.09x = 21,605.27 × 9,362.25
  4. Step 4: Simplify right side
    15,651.09x = 202,273,892.25
  5. Step 5: Solve for x
    x = 202,273,892.25/15,651.09
  6. Step 6: Final answer
    x = 12,923.95

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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.