Home / 15,504.45-23,258.30-6,620.68

Finding the Fourth Proportional to 15,504.45, 23,258.30 and 6,620.68

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Solution

The fourth proportional to 15,504.45, 23,258.30 and 6,620.68 is: 9,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504.45 : 23,258.30 = 6,620.68 : x
  2. Step 2: Convert to fraction form
    15,504.45/23,258.30 = 6,620.68/x
  3. Step 3: Cross multiply
    15,504.45x = 23,258.30 × 6,620.68
  4. Step 4: Simplify right side
    15,504.45x = 153,985,761.64
  5. Step 5: Solve for x
    x = 153,985,761.64/15,504.45
  6. Step 6: Final answer
    x = 9,931.71

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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.