Home / 15,946.92-21,973.14-10,911.96

Finding the Fourth Proportional to 15,946.92, 21,973.14 and 10,911.96

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Solution

The fourth proportional to 15,946.92, 21,973.14 and 10,911.96 is: 15,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.92 : 21,973.14 = 10,911.96 : x
  2. Step 2: Convert to fraction form
    15,946.92/21,973.14 = 10,911.96/x
  3. Step 3: Cross multiply
    15,946.92x = 21,973.14 × 10,911.96
  4. Step 4: Simplify right side
    15,946.92x = 239,770,024.75
  5. Step 5: Solve for x
    x = 239,770,024.75/15,946.92
  6. Step 6: Final answer
    x = 15,035.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.