Home / 15,896.28-21,935.20-9,184.04

Finding the Fourth Proportional to 15,896.28, 21,935.20 and 9,184.04

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Solution

The fourth proportional to 15,896.28, 21,935.20 and 9,184.04 is: 12,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.28 : 21,935.20 = 9,184.04 : x
  2. Step 2: Convert to fraction form
    15,896.28/21,935.20 = 9,184.04/x
  3. Step 3: Cross multiply
    15,896.28x = 21,935.20 × 9,184.04
  4. Step 4: Simplify right side
    15,896.28x = 201,453,754.21
  5. Step 5: Solve for x
    x = 201,453,754.21/15,896.28
  6. Step 6: Final answer
    x = 12,673.01

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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.