Home / 18,688.44-25,789.86-10,733.16

Finding the Fourth Proportional to 18,688.44, 25,789.86 and 10,733.16

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Solution

The fourth proportional to 18,688.44, 25,789.86 and 10,733.16 is: 14,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.44 : 25,789.86 = 10,733.16 : x
  2. Step 2: Convert to fraction form
    18,688.44/25,789.86 = 10,733.16/x
  3. Step 3: Cross multiply
    18,688.44x = 25,789.86 × 10,733.16
  4. Step 4: Simplify right side
    18,688.44x = 276,806,693.76
  5. Step 5: Solve for x
    x = 276,806,693.76/18,688.44
  6. Step 6: Final answer
    x = 14,811.65

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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.