Home / 15,834.92-21,852.66-8,762.12

Finding the Fourth Proportional to 15,834.92, 21,852.66 and 8,762.12

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Solution

The fourth proportional to 15,834.92, 21,852.66 and 8,762.12 is: 12,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.92 : 21,852.66 = 8,762.12 : x
  2. Step 2: Convert to fraction form
    15,834.92/21,852.66 = 8,762.12/x
  3. Step 3: Cross multiply
    15,834.92x = 21,852.66 × 8,762.12
  4. Step 4: Simplify right side
    15,834.92x = 191,475,629.24
  5. Step 5: Solve for x
    x = 191,475,629.24/15,834.92
  6. Step 6: Final answer
    x = 12,091.99

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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.