Home / 19,139.97-26,411.37-17,729.35

Finding the Fourth Proportional to 19,139.97, 26,411.37 and 17,729.35

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Solution

The fourth proportional to 19,139.97, 26,411.37 and 17,729.35 is: 24,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.97 : 26,411.37 = 17,729.35 : x
  2. Step 2: Convert to fraction form
    19,139.97/26,411.37 = 17,729.35/x
  3. Step 3: Cross multiply
    19,139.97x = 26,411.37 × 17,729.35
  4. Step 4: Simplify right side
    19,139.97x = 468,256,422.71
  5. Step 5: Solve for x
    x = 468,256,422.71/19,139.97
  6. Step 6: Final answer
    x = 24,464.85

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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.