Home / 16,362.68-22,579.87-9,999.91

Finding the Fourth Proportional to 16,362.68, 22,579.87 and 9,999.91

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Solution

The fourth proportional to 16,362.68, 22,579.87 and 9,999.91 is: 13,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,362.68 : 22,579.87 = 9,999.91 : x
  2. Step 2: Convert to fraction form
    16,362.68/22,579.87 = 9,999.91/x
  3. Step 3: Cross multiply
    16,362.68x = 22,579.87 × 9,999.91
  4. Step 4: Simplify right side
    16,362.68x = 225,796,667.81
  5. Step 5: Solve for x
    x = 225,796,667.81/16,362.68
  6. Step 6: Final answer
    x = 13,799.49

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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.