Home / 27,603.16-38,076.18-19,527.78

Finding the Fourth Proportional to 27,603.16, 38,076.18 and 19,527.78

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Solution

The fourth proportional to 27,603.16, 38,076.18 and 19,527.78 is: 26,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.16 : 38,076.18 = 19,527.78 : x
  2. Step 2: Convert to fraction form
    27,603.16/38,076.18 = 19,527.78/x
  3. Step 3: Cross multiply
    27,603.16x = 38,076.18 × 19,527.78
  4. Step 4: Simplify right side
    27,603.16x = 743,543,266.28
  5. Step 5: Solve for x
    x = 743,543,266.28/27,603.16
  6. Step 6: Final answer
    x = 26,936.89

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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.