Home / 18,355.23-27,533.89-5,206.56

Finding the Fourth Proportional to 18,355.23, 27,533.89 and 5,206.56

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Solution

The fourth proportional to 18,355.23, 27,533.89 and 5,206.56 is: 7,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.23 : 27,533.89 = 5,206.56 : x
  2. Step 2: Convert to fraction form
    18,355.23/27,533.89 = 5,206.56/x
  3. Step 3: Cross multiply
    18,355.23x = 27,533.89 × 5,206.56
  4. Step 4: Simplify right side
    18,355.23x = 143,356,893.12
  5. Step 5: Solve for x
    x = 143,356,893.12/18,355.23
  6. Step 6: Final answer
    x = 7,810.14

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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.