Home / 19,578.74-27,018.43-10,626.25

Finding the Fourth Proportional to 19,578.74, 27,018.43 and 10,626.25

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Solution

The fourth proportional to 19,578.74, 27,018.43 and 10,626.25 is: 14,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.74 : 27,018.43 = 10,626.25 : x
  2. Step 2: Convert to fraction form
    19,578.74/27,018.43 = 10,626.25/x
  3. Step 3: Cross multiply
    19,578.74x = 27,018.43 × 10,626.25
  4. Step 4: Simplify right side
    19,578.74x = 287,104,591.79
  5. Step 5: Solve for x
    x = 287,104,591.79/19,578.74
  6. Step 6: Final answer
    x = 14,664.10

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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.