Home / 14,949.11-20,607.62-9,570.78

Finding the Fourth Proportional to 14,949.11, 20,607.62 and 9,570.78

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Solution

The fourth proportional to 14,949.11, 20,607.62 and 9,570.78 is: 13,193.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.11 : 20,607.62 = 9,570.78 : x
  2. Step 2: Convert to fraction form
    14,949.11/20,607.62 = 9,570.78/x
  3. Step 3: Cross multiply
    14,949.11x = 20,607.62 × 9,570.78
  4. Step 4: Simplify right side
    14,949.11x = 197,230,918.23
  5. Step 5: Solve for x
    x = 197,230,918.23/14,949.11
  6. Step 6: Final answer
    x = 13,193.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.