Home / 19,149.16-26,438.94-14,665

Finding the Fourth Proportional to 19,149.16, 26,438.94 and 14,665

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Solution

The fourth proportional to 19,149.16, 26,438.94 and 14,665 is: 20,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.16 : 26,438.94 = 14,665 : x
  2. Step 2: Convert to fraction form
    19,149.16/26,438.94 = 14,665/x
  3. Step 3: Cross multiply
    19,149.16x = 26,438.94 × 14,665
  4. Step 4: Simplify right side
    19,149.16x = 387,727,055.10
  5. Step 5: Solve for x
    x = 387,727,055.10/19,149.16
  6. Step 6: Final answer
    x = 20,247.73

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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.