Home / 27,735.31-38,274.73-14,988.45

Finding the Fourth Proportional to 27,735.31, 38,274.73 and 14,988.45

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Solution

The fourth proportional to 27,735.31, 38,274.73 and 14,988.45 is: 20,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,735.31 : 38,274.73 = 14,988.45 : x
  2. Step 2: Convert to fraction form
    27,735.31/38,274.73 = 14,988.45/x
  3. Step 3: Cross multiply
    27,735.31x = 38,274.73 × 14,988.45
  4. Step 4: Simplify right side
    27,735.31x = 573,678,610.55
  5. Step 5: Solve for x
    x = 573,678,610.55/27,735.31
  6. Step 6: Final answer
    x = 20,684.06

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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.