Home / 18,155.17-27,244.46-7,767.01

Finding the Fourth Proportional to 18,155.17, 27,244.46 and 7,767.01

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Solution

The fourth proportional to 18,155.17, 27,244.46 and 7,767.01 is: 11,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.17 : 27,244.46 = 7,767.01 : x
  2. Step 2: Convert to fraction form
    18,155.17/27,244.46 = 7,767.01/x
  3. Step 3: Cross multiply
    18,155.17x = 27,244.46 × 7,767.01
  4. Step 4: Simplify right side
    18,155.17x = 211,607,993.26
  5. Step 5: Solve for x
    x = 211,607,993.26/18,155.17
  6. Step 6: Final answer
    x = 11,655.52

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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.