Home / 18,999.83-26,219.70-10,616.33

Finding the Fourth Proportional to 18,999.83, 26,219.70 and 10,616.33

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Solution

The fourth proportional to 18,999.83, 26,219.70 and 10,616.33 is: 14,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.83 : 26,219.70 = 10,616.33 : x
  2. Step 2: Convert to fraction form
    18,999.83/26,219.70 = 10,616.33/x
  3. Step 3: Cross multiply
    18,999.83x = 26,219.70 × 10,616.33
  4. Step 4: Simplify right side
    18,999.83x = 278,356,987.70
  5. Step 5: Solve for x
    x = 278,356,987.70/18,999.83
  6. Step 6: Final answer
    x = 14,650.50

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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.