Home / 19,185.26-26,422.71-16,531.70

Finding the Fourth Proportional to 19,185.26, 26,422.71 and 16,531.70

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Solution

The fourth proportional to 19,185.26, 26,422.71 and 16,531.70 is: 22,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.26 : 26,422.71 = 16,531.70 : x
  2. Step 2: Convert to fraction form
    19,185.26/26,422.71 = 16,531.70/x
  3. Step 3: Cross multiply
    19,185.26x = 26,422.71 × 16,531.70
  4. Step 4: Simplify right side
    19,185.26x = 436,812,314.91
  5. Step 5: Solve for x
    x = 436,812,314.91/19,185.26
  6. Step 6: Final answer
    x = 22,768.12

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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.