Home / 15,895.77-21,935.75-8,822.01

Finding the Fourth Proportional to 15,895.77, 21,935.75 and 8,822.01

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Solution

The fourth proportional to 15,895.77, 21,935.75 and 8,822.01 is: 12,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.77 : 21,935.75 = 8,822.01 : x
  2. Step 2: Convert to fraction form
    15,895.77/21,935.75 = 8,822.01/x
  3. Step 3: Cross multiply
    15,895.77x = 21,935.75 × 8,822.01
  4. Step 4: Simplify right side
    15,895.77x = 193,517,361.75
  5. Step 5: Solve for x
    x = 193,517,361.75/15,895.77
  6. Step 6: Final answer
    x = 12,174.14

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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.