Home / 19,622.94-27,077.99-11,123.12

Finding the Fourth Proportional to 19,622.94, 27,077.99 and 11,123.12

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Solution

The fourth proportional to 19,622.94, 27,077.99 and 11,123.12 is: 15,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.94 : 27,077.99 = 11,123.12 : x
  2. Step 2: Convert to fraction form
    19,622.94/27,077.99 = 11,123.12/x
  3. Step 3: Cross multiply
    19,622.94x = 27,077.99 × 11,123.12
  4. Step 4: Simplify right side
    19,622.94x = 301,191,541.12
  5. Step 5: Solve for x
    x = 301,191,541.12/19,622.94
  6. Step 6: Final answer
    x = 15,348.95

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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.