Home / 19,476.78-26,821.44-16,923.39

Finding the Fourth Proportional to 19,476.78, 26,821.44 and 16,923.39

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Solution

The fourth proportional to 19,476.78, 26,821.44 and 16,923.39 is: 23,305.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.78 : 26,821.44 = 16,923.39 : x
  2. Step 2: Convert to fraction form
    19,476.78/26,821.44 = 16,923.39/x
  3. Step 3: Cross multiply
    19,476.78x = 26,821.44 × 16,923.39
  4. Step 4: Simplify right side
    19,476.78x = 453,909,689.48
  5. Step 5: Solve for x
    x = 453,909,689.48/19,476.78
  6. Step 6: Final answer
    x = 23,305.17

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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.