Home / 15,409.72-23,108.91-5,546.36

Finding the Fourth Proportional to 15,409.72, 23,108.91 and 5,546.36

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Solution

The fourth proportional to 15,409.72, 23,108.91 and 5,546.36 is: 8,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409.72 : 23,108.91 = 5,546.36 : x
  2. Step 2: Convert to fraction form
    15,409.72/23,108.91 = 5,546.36/x
  3. Step 3: Cross multiply
    15,409.72x = 23,108.91 × 5,546.36
  4. Step 4: Simplify right side
    15,409.72x = 128,170,334.07
  5. Step 5: Solve for x
    x = 128,170,334.07/15,409.72
  6. Step 6: Final answer
    x = 8,317.50

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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.