Home / 13,746.24-20,622.80-7,504.58

Finding the Fourth Proportional to 13,746.24, 20,622.80 and 7,504.58

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Solution

The fourth proportional to 13,746.24, 20,622.80 and 7,504.58 is: 11,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.24 : 20,622.80 = 7,504.58 : x
  2. Step 2: Convert to fraction form
    13,746.24/20,622.80 = 7,504.58/x
  3. Step 3: Cross multiply
    13,746.24x = 20,622.80 × 7,504.58
  4. Step 4: Simplify right side
    13,746.24x = 154,765,522.74
  5. Step 5: Solve for x
    x = 154,765,522.74/13,746.24
  6. Step 6: Final answer
    x = 11,258.75

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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.