Home / 19,195.30-26,490.54-11,238.13

Finding the Fourth Proportional to 19,195.30, 26,490.54 and 11,238.13

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Solution

The fourth proportional to 19,195.30, 26,490.54 and 11,238.13 is: 15,509.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.30 : 26,490.54 = 11,238.13 : x
  2. Step 2: Convert to fraction form
    19,195.30/26,490.54 = 11,238.13/x
  3. Step 3: Cross multiply
    19,195.30x = 26,490.54 × 11,238.13
  4. Step 4: Simplify right side
    19,195.30x = 297,704,132.29
  5. Step 5: Solve for x
    x = 297,704,132.29/19,195.30
  6. Step 6: Final answer
    x = 15,509.22

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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.