Home / 27,631.60-41,448.88-7,913.04

Finding the Fourth Proportional to 27,631.60, 41,448.88 and 7,913.04

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Solution

The fourth proportional to 27,631.60, 41,448.88 and 7,913.04 is: 11,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.60 : 41,448.88 = 7,913.04 : x
  2. Step 2: Convert to fraction form
    27,631.60/41,448.88 = 7,913.04/x
  3. Step 3: Cross multiply
    27,631.60x = 41,448.88 × 7,913.04
  4. Step 4: Simplify right side
    27,631.60x = 327,986,645.40
  5. Step 5: Solve for x
    x = 327,986,645.40/27,631.60
  6. Step 6: Final answer
    x = 11,869.98

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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.