Home / 18,368.70-27,539.55-5,881.56

Finding the Fourth Proportional to 18,368.70, 27,539.55 and 5,881.56

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Solution

The fourth proportional to 18,368.70, 27,539.55 and 5,881.56 is: 8,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.70 : 27,539.55 = 5,881.56 : x
  2. Step 2: Convert to fraction form
    18,368.70/27,539.55 = 5,881.56/x
  3. Step 3: Cross multiply
    18,368.70x = 27,539.55 × 5,881.56
  4. Step 4: Simplify right side
    18,368.70x = 161,975,515.70
  5. Step 5: Solve for x
    x = 161,975,515.70/18,368.70
  6. Step 6: Final answer
    x = 8,818.02

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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.