Home / 15,906.56-21,925.52-10,800.48

Finding the Fourth Proportional to 15,906.56, 21,925.52 and 10,800.48

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Solution

The fourth proportional to 15,906.56, 21,925.52 and 10,800.48 is: 14,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.56 : 21,925.52 = 10,800.48 : x
  2. Step 2: Convert to fraction form
    15,906.56/21,925.52 = 10,800.48/x
  3. Step 3: Cross multiply
    15,906.56x = 21,925.52 × 10,800.48
  4. Step 4: Simplify right side
    15,906.56x = 236,806,140.25
  5. Step 5: Solve for x
    x = 236,806,140.25/15,906.56
  6. Step 6: Final answer
    x = 14,887.33

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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.