Home / 18,463.28-27,699.77-5,316.71

Finding the Fourth Proportional to 18,463.28, 27,699.77 and 5,316.71

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Solution

The fourth proportional to 18,463.28, 27,699.77 and 5,316.71 is: 7,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.28 : 27,699.77 = 5,316.71 : x
  2. Step 2: Convert to fraction form
    18,463.28/27,699.77 = 5,316.71/x
  3. Step 3: Cross multiply
    18,463.28x = 27,699.77 × 5,316.71
  4. Step 4: Simplify right side
    18,463.28x = 147,271,518.95
  5. Step 5: Solve for x
    x = 147,271,518.95/18,463.28
  6. Step 6: Final answer
    x = 7,976.46

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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.