Home / 16,720.46-23,066.07-14,066.90

Finding the Fourth Proportional to 16,720.46, 23,066.07 and 14,066.90

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Solution

The fourth proportional to 16,720.46, 23,066.07 and 14,066.90 is: 19,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.46 : 23,066.07 = 14,066.90 : x
  2. Step 2: Convert to fraction form
    16,720.46/23,066.07 = 14,066.90/x
  3. Step 3: Cross multiply
    16,720.46x = 23,066.07 × 14,066.90
  4. Step 4: Simplify right side
    16,720.46x = 324,468,100.08
  5. Step 5: Solve for x
    x = 324,468,100.08/16,720.46
  6. Step 6: Final answer
    x = 19,405.45

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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.