Home / 18,275.76-27,403.83-5,792.40

Finding the Fourth Proportional to 18,275.76, 27,403.83 and 5,792.40

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Solution

The fourth proportional to 18,275.76, 27,403.83 and 5,792.40 is: 8,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.76 : 27,403.83 = 5,792.40 : x
  2. Step 2: Convert to fraction form
    18,275.76/27,403.83 = 5,792.40/x
  3. Step 3: Cross multiply
    18,275.76x = 27,403.83 × 5,792.40
  4. Step 4: Simplify right side
    18,275.76x = 158,733,944.89
  5. Step 5: Solve for x
    x = 158,733,944.89/18,275.76
  6. Step 6: Final answer
    x = 8,685.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.