Home / 19,437.68-26,828.44-11,375.04

Finding the Fourth Proportional to 19,437.68, 26,828.44 and 11,375.04

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Solution

The fourth proportional to 19,437.68, 26,828.44 and 11,375.04 is: 15,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437.68 : 26,828.44 = 11,375.04 : x
  2. Step 2: Convert to fraction form
    19,437.68/26,828.44 = 11,375.04/x
  3. Step 3: Cross multiply
    19,437.68x = 26,828.44 × 11,375.04
  4. Step 4: Simplify right side
    19,437.68x = 305,174,578.14
  5. Step 5: Solve for x
    x = 305,174,578.14/19,437.68
  6. Step 6: Final answer
    x = 15,700.15

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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.