Home / 18,535.15-25,580.34-10,578.58

Finding the Fourth Proportional to 18,535.15, 25,580.34 and 10,578.58

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Solution

The fourth proportional to 18,535.15, 25,580.34 and 10,578.58 is: 14,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.15 : 25,580.34 = 10,578.58 : x
  2. Step 2: Convert to fraction form
    18,535.15/25,580.34 = 10,578.58/x
  3. Step 3: Cross multiply
    18,535.15x = 25,580.34 × 10,578.58
  4. Step 4: Simplify right side
    18,535.15x = 270,603,545.22
  5. Step 5: Solve for x
    x = 270,603,545.22/18,535.15
  6. Step 6: Final answer
    x = 14,599.48

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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.