Home / 19,531.87-26,953.97-10,579.55

Finding the Fourth Proportional to 19,531.87, 26,953.97 and 10,579.55

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Solution

The fourth proportional to 19,531.87, 26,953.97 and 10,579.55 is: 14,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.87 : 26,953.97 = 10,579.55 : x
  2. Step 2: Convert to fraction form
    19,531.87/26,953.97 = 10,579.55/x
  3. Step 3: Cross multiply
    19,531.87x = 26,953.97 × 10,579.55
  4. Step 4: Simplify right side
    19,531.87x = 285,160,685.65
  5. Step 5: Solve for x
    x = 285,160,685.65/19,531.87
  6. Step 6: Final answer
    x = 14,599.77

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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.