Home / 13,792.40-20,686.55-5,025.27

Finding the Fourth Proportional to 13,792.40, 20,686.55 and 5,025.27

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Solution

The fourth proportional to 13,792.40, 20,686.55 and 5,025.27 is: 7,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.40 : 20,686.55 = 5,025.27 : x
  2. Step 2: Convert to fraction form
    13,792.40/20,686.55 = 5,025.27/x
  3. Step 3: Cross multiply
    13,792.40x = 20,686.55 × 5,025.27
  4. Step 4: Simplify right side
    13,792.40x = 103,955,499.12
  5. Step 5: Solve for x
    x = 103,955,499.12/13,792.40
  6. Step 6: Final answer
    x = 7,537.16

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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.