Home / 14,669.10-20,243.35-7,954.70

Finding the Fourth Proportional to 14,669.10, 20,243.35 and 7,954.70

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Solution

The fourth proportional to 14,669.10, 20,243.35 and 7,954.70 is: 10,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.10 : 20,243.35 = 7,954.70 : x
  2. Step 2: Convert to fraction form
    14,669.10/20,243.35 = 7,954.70/x
  3. Step 3: Cross multiply
    14,669.10x = 20,243.35 × 7,954.70
  4. Step 4: Simplify right side
    14,669.10x = 161,029,822.33
  5. Step 5: Solve for x
    x = 161,029,822.33/14,669.10
  6. Step 6: Final answer
    x = 10,977.49

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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.