Home / 19,374.40-26,733.28-11,418.24

Finding the Fourth Proportional to 19,374.40, 26,733.28 and 11,418.24

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Solution

The fourth proportional to 19,374.40, 26,733.28 and 11,418.24 is: 15,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.40 : 26,733.28 = 11,418.24 : x
  2. Step 2: Convert to fraction form
    19,374.40/26,733.28 = 11,418.24/x
  3. Step 3: Cross multiply
    19,374.40x = 26,733.28 × 11,418.24
  4. Step 4: Simplify right side
    19,374.40x = 305,247,007.03
  5. Step 5: Solve for x
    x = 305,247,007.03/19,374.40
  6. Step 6: Final answer
    x = 15,755.17

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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.