Home / 27,278.76-37,645.08-16,666.14

Finding the Fourth Proportional to 27,278.76, 37,645.08 and 16,666.14

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Solution

The fourth proportional to 27,278.76, 37,645.08 and 16,666.14 is: 22,999.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.76 : 37,645.08 = 16,666.14 : x
  2. Step 2: Convert to fraction form
    27,278.76/37,645.08 = 16,666.14/x
  3. Step 3: Cross multiply
    27,278.76x = 37,645.08 × 16,666.14
  4. Step 4: Simplify right side
    27,278.76x = 627,398,173.59
  5. Step 5: Solve for x
    x = 627,398,173.59/27,278.76
  6. Step 6: Final answer
    x = 22,999.51

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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.