Home / 27,265.79-37,603.47-18,781.45

Finding the Fourth Proportional to 27,265.79, 37,603.47 and 18,781.45

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Solution

The fourth proportional to 27,265.79, 37,603.47 and 18,781.45 is: 25,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,265.79 : 37,603.47 = 18,781.45 : x
  2. Step 2: Convert to fraction form
    27,265.79/37,603.47 = 18,781.45/x
  3. Step 3: Cross multiply
    27,265.79x = 37,603.47 × 18,781.45
  4. Step 4: Simplify right side
    27,265.79x = 706,247,691.63
  5. Step 5: Solve for x
    x = 706,247,691.63/27,265.79
  6. Step 6: Final answer
    x = 25,902.34

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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.