Home / 18,394.70-27,592.31-5,247.08

Finding the Fourth Proportional to 18,394.70, 27,592.31 and 5,247.08

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Solution

The fourth proportional to 18,394.70, 27,592.31 and 5,247.08 is: 7,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.70 : 27,592.31 = 5,247.08 : x
  2. Step 2: Convert to fraction form
    18,394.70/27,592.31 = 5,247.08/x
  3. Step 3: Cross multiply
    18,394.70x = 27,592.31 × 5,247.08
  4. Step 4: Simplify right side
    18,394.70x = 144,778,893.76
  5. Step 5: Solve for x
    x = 144,778,893.76/18,394.70
  6. Step 6: Final answer
    x = 7,870.69

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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.