Home / 15,774.92-21,736.49-10,730.37

Finding the Fourth Proportional to 15,774.92, 21,736.49 and 10,730.37

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Solution

The fourth proportional to 15,774.92, 21,736.49 and 10,730.37 is: 14,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.92 : 21,736.49 = 10,730.37 : x
  2. Step 2: Convert to fraction form
    15,774.92/21,736.49 = 10,730.37/x
  3. Step 3: Cross multiply
    15,774.92x = 21,736.49 × 10,730.37
  4. Step 4: Simplify right side
    15,774.92x = 233,240,608.06
  5. Step 5: Solve for x
    x = 233,240,608.06/15,774.92
  6. Step 6: Final answer
    x = 14,785.53

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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.