Home / 15,637.76-23,401.23-13,792.48

Finding the Fourth Proportional to 15,637.76, 23,401.23 and 13,792.48

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Solution

The fourth proportional to 15,637.76, 23,401.23 and 13,792.48 is: 20,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.76 : 23,401.23 = 13,792.48 : x
  2. Step 2: Convert to fraction form
    15,637.76/23,401.23 = 13,792.48/x
  3. Step 3: Cross multiply
    15,637.76x = 23,401.23 × 13,792.48
  4. Step 4: Simplify right side
    15,637.76x = 322,760,996.75
  5. Step 5: Solve for x
    x = 322,760,996.75/15,637.76
  6. Step 6: Final answer
    x = 20,639.85

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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.