Home / 27,270.39-40,906.48-7,547.30

Finding the Fourth Proportional to 27,270.39, 40,906.48 and 7,547.30

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Solution

The fourth proportional to 27,270.39, 40,906.48 and 7,547.30 is: 11,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270.39 : 40,906.48 = 7,547.30 : x
  2. Step 2: Convert to fraction form
    27,270.39/40,906.48 = 7,547.30/x
  3. Step 3: Cross multiply
    27,270.39x = 40,906.48 × 7,547.30
  4. Step 4: Simplify right side
    27,270.39x = 308,733,253.10
  5. Step 5: Solve for x
    x = 308,733,253.10/27,270.39
  6. Step 6: Final answer
    x = 11,321.19

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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.