Home / 18,631.91-27,947.61-4,592.10

Finding the Fourth Proportional to 18,631.91, 27,947.61 and 4,592.10

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Solution

The fourth proportional to 18,631.91, 27,947.61 and 4,592.10 is: 6,888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.91 : 27,947.61 = 4,592.10 : x
  2. Step 2: Convert to fraction form
    18,631.91/27,947.61 = 4,592.10/x
  3. Step 3: Cross multiply
    18,631.91x = 27,947.61 × 4,592.10
  4. Step 4: Simplify right side
    18,631.91x = 128,338,219.88
  5. Step 5: Solve for x
    x = 128,338,219.88/18,631.91
  6. Step 6: Final answer
    x = 6,888.09

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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.