Home / 18,688.44-28,032.66-17,547.96

Finding the Fourth Proportional to 18,688.44, 28,032.66 and 17,547.96

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Solution

The fourth proportional to 18,688.44, 28,032.66 and 17,547.96 is: 26,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.44 : 28,032.66 = 17,547.96 : x
  2. Step 2: Convert to fraction form
    18,688.44/28,032.66 = 17,547.96/x
  3. Step 3: Cross multiply
    18,688.44x = 28,032.66 × 17,547.96
  4. Step 4: Simplify right side
    18,688.44x = 491,915,996.37
  5. Step 5: Solve for x
    x = 491,915,996.37/18,688.44
  6. Step 6: Final answer
    x = 26,321.94

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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.