Home / 19,143.72-26,424.36-17,656.56

Finding the Fourth Proportional to 19,143.72, 26,424.36 and 17,656.56

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Solution

The fourth proportional to 19,143.72, 26,424.36 and 17,656.56 is: 24,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.72 : 26,424.36 = 17,656.56 : x
  2. Step 2: Convert to fraction form
    19,143.72/26,424.36 = 17,656.56/x
  3. Step 3: Cross multiply
    19,143.72x = 26,424.36 × 17,656.56
  4. Step 4: Simplify right side
    19,143.72x = 466,563,297.80
  5. Step 5: Solve for x
    x = 466,563,297.80/19,143.72
  6. Step 6: Final answer
    x = 24,371.61

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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.