Home / 18,425.17-27,637.63-5,277.59

Finding the Fourth Proportional to 18,425.17, 27,637.63 and 5,277.59

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Solution

The fourth proportional to 18,425.17, 27,637.63 and 5,277.59 is: 7,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.17 : 27,637.63 = 5,277.59 : x
  2. Step 2: Convert to fraction form
    18,425.17/27,637.63 = 5,277.59/x
  3. Step 3: Cross multiply
    18,425.17x = 27,637.63 × 5,277.59
  4. Step 4: Simplify right side
    18,425.17x = 145,859,928.33
  5. Step 5: Solve for x
    x = 145,859,928.33/18,425.17
  6. Step 6: Final answer
    x = 7,916.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.