Home / 18,355.85-27,533.42-5,875.88

Finding the Fourth Proportional to 18,355.85, 27,533.42 and 5,875.88

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Solution

The fourth proportional to 18,355.85, 27,533.42 and 5,875.88 is: 8,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.85 : 27,533.42 = 5,875.88 : x
  2. Step 2: Convert to fraction form
    18,355.85/27,533.42 = 5,875.88/x
  3. Step 3: Cross multiply
    18,355.85x = 27,533.42 × 5,875.88
  4. Step 4: Simplify right side
    18,355.85x = 161,782,926.90
  5. Step 5: Solve for x
    x = 161,782,926.90/18,355.85
  6. Step 6: Final answer
    x = 8,813.70

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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.