Home / 15,910.36-23,865.51-8,889.16

Finding the Fourth Proportional to 15,910.36, 23,865.51 and 8,889.16

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Solution

The fourth proportional to 15,910.36, 23,865.51 and 8,889.16 is: 13,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.36 : 23,865.51 = 8,889.16 : x
  2. Step 2: Convert to fraction form
    15,910.36/23,865.51 = 8,889.16/x
  3. Step 3: Cross multiply
    15,910.36x = 23,865.51 × 8,889.16
  4. Step 4: Simplify right side
    15,910.36x = 212,144,336.87
  5. Step 5: Solve for x
    x = 212,144,336.87/15,910.36
  6. Step 6: Final answer
    x = 13,333.72

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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.