Home / 27,649.56-38,159.70-17,455.41

Finding the Fourth Proportional to 27,649.56, 38,159.70 and 17,455.41

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Solution

The fourth proportional to 27,649.56, 38,159.70 and 17,455.41 is: 24,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649.56 : 38,159.70 = 17,455.41 : x
  2. Step 2: Convert to fraction form
    27,649.56/38,159.70 = 17,455.41/x
  3. Step 3: Cross multiply
    27,649.56x = 38,159.70 × 17,455.41
  4. Step 4: Simplify right side
    27,649.56x = 666,093,143.52
  5. Step 5: Solve for x
    x = 666,093,143.52/27,649.56
  6. Step 6: Final answer
    x = 24,090.55

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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.