Home / 15,579.13-23,349.25-7,790.17

Finding the Fourth Proportional to 15,579.13, 23,349.25 and 7,790.17

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Solution

The fourth proportional to 15,579.13, 23,349.25 and 7,790.17 is: 11,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.13 : 23,349.25 = 7,790.17 : x
  2. Step 2: Convert to fraction form
    15,579.13/23,349.25 = 7,790.17/x
  3. Step 3: Cross multiply
    15,579.13x = 23,349.25 × 7,790.17
  4. Step 4: Simplify right side
    15,579.13x = 181,894,626.87
  5. Step 5: Solve for x
    x = 181,894,626.87/15,579.13
  6. Step 6: Final answer
    x = 11,675.53

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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.