Home / 19,533.74-26,891.39-18,641.18

Finding the Fourth Proportional to 19,533.74, 26,891.39 and 18,641.18

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Solution

The fourth proportional to 19,533.74, 26,891.39 and 18,641.18 is: 25,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,533.74 : 26,891.39 = 18,641.18 : x
  2. Step 2: Convert to fraction form
    19,533.74/26,891.39 = 18,641.18/x
  3. Step 3: Cross multiply
    19,533.74x = 26,891.39 × 18,641.18
  4. Step 4: Simplify right side
    19,533.74x = 501,287,013.78
  5. Step 5: Solve for x
    x = 501,287,013.78/19,533.74
  6. Step 6: Final answer
    x = 25,662.63

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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.