Home / 16,740.74-23,079.12-16,223.15

Finding the Fourth Proportional to 16,740.74, 23,079.12 and 16,223.15

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Solution

The fourth proportional to 16,740.74, 23,079.12 and 16,223.15 is: 22,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.74 : 23,079.12 = 16,223.15 : x
  2. Step 2: Convert to fraction form
    16,740.74/23,079.12 = 16,223.15/x
  3. Step 3: Cross multiply
    16,740.74x = 23,079.12 × 16,223.15
  4. Step 4: Simplify right side
    16,740.74x = 374,416,025.63
  5. Step 5: Solve for x
    x = 374,416,025.63/16,740.74
  6. Step 6: Final answer
    x = 22,365.56

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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.