Home / 15,503.45-23,256.80-6,619.68

Finding the Fourth Proportional to 15,503.45, 23,256.80 and 6,619.68

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Solution

The fourth proportional to 15,503.45, 23,256.80 and 6,619.68 is: 9,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.45 : 23,256.80 = 6,619.68 : x
  2. Step 2: Convert to fraction form
    15,503.45/23,256.80 = 6,619.68/x
  3. Step 3: Cross multiply
    15,503.45x = 23,256.80 × 6,619.68
  4. Step 4: Simplify right side
    15,503.45x = 153,952,540.73
  5. Step 5: Solve for x
    x = 153,952,540.73/15,503.45
  6. Step 6: Final answer
    x = 9,930.21

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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.