Home / 18,394.32-27,591.74-5,246.70

Finding the Fourth Proportional to 18,394.32, 27,591.74 and 5,246.70

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Solution

The fourth proportional to 18,394.32, 27,591.74 and 5,246.70 is: 7,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.32 : 27,591.74 = 5,246.70 : x
  2. Step 2: Convert to fraction form
    18,394.32/27,591.74 = 5,246.70/x
  3. Step 3: Cross multiply
    18,394.32x = 27,591.74 × 5,246.70
  4. Step 4: Simplify right side
    18,394.32x = 144,765,582.26
  5. Step 5: Solve for x
    x = 144,765,582.26/18,394.32
  6. Step 6: Final answer
    x = 7,870.12

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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.