Home / 18,580.05-27,866.43-9,210.24

Finding the Fourth Proportional to 18,580.05, 27,866.43 and 9,210.24

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Solution

The fourth proportional to 18,580.05, 27,866.43 and 9,210.24 is: 13,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.05 : 27,866.43 = 9,210.24 : x
  2. Step 2: Convert to fraction form
    18,580.05/27,866.43 = 9,210.24/x
  3. Step 3: Cross multiply
    18,580.05x = 27,866.43 × 9,210.24
  4. Step 4: Simplify right side
    18,580.05x = 256,656,508.24
  5. Step 5: Solve for x
    x = 256,656,508.24/18,580.05
  6. Step 6: Final answer
    x = 13,813.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.