Home / 16,740.80-23,102.28-9,669.44

Finding the Fourth Proportional to 16,740.80, 23,102.28 and 9,669.44

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Solution

The fourth proportional to 16,740.80, 23,102.28 and 9,669.44 is: 13,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.80 : 23,102.28 = 9,669.44 : x
  2. Step 2: Convert to fraction form
    16,740.80/23,102.28 = 9,669.44/x
  3. Step 3: Cross multiply
    16,740.80x = 23,102.28 × 9,669.44
  4. Step 4: Simplify right side
    16,740.80x = 223,386,110.32
  5. Step 5: Solve for x
    x = 223,386,110.32/16,740.80
  6. Step 6: Final answer
    x = 13,343.81

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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.