Home / 27,138.14-37,420.48-17,054.45

Finding the Fourth Proportional to 27,138.14, 37,420.48 and 17,054.45

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Solution

The fourth proportional to 27,138.14, 37,420.48 and 17,054.45 is: 23,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.14 : 37,420.48 = 17,054.45 : x
  2. Step 2: Convert to fraction form
    27,138.14/37,420.48 = 17,054.45/x
  3. Step 3: Cross multiply
    27,138.14x = 37,420.48 × 17,054.45
  4. Step 4: Simplify right side
    27,138.14x = 638,185,705.14
  5. Step 5: Solve for x
    x = 638,185,705.14/27,138.14
  6. Step 6: Final answer
    x = 23,516.19

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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.