Home / 15,579.07-23,349.15-7,790.11

Finding the Fourth Proportional to 15,579.07, 23,349.15 and 7,790.11

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Solution

The fourth proportional to 15,579.07, 23,349.15 and 7,790.11 is: 11,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.07 : 23,349.15 = 7,790.11 : x
  2. Step 2: Convert to fraction form
    15,579.07/23,349.15 = 7,790.11/x
  3. Step 3: Cross multiply
    15,579.07x = 23,349.15 × 7,790.11
  4. Step 4: Simplify right side
    15,579.07x = 181,892,388.53
  5. Step 5: Solve for x
    x = 181,892,388.53/15,579.07
  6. Step 6: Final answer
    x = 11,675.43

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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.