Home / 19,145.01-26,412.72-14,121.15

Finding the Fourth Proportional to 19,145.01, 26,412.72 and 14,121.15

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Solution

The fourth proportional to 19,145.01, 26,412.72 and 14,121.15 is: 19,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.01 : 26,412.72 = 14,121.15 : x
  2. Step 2: Convert to fraction form
    19,145.01/26,412.72 = 14,121.15/x
  3. Step 3: Cross multiply
    19,145.01x = 26,412.72 × 14,121.15
  4. Step 4: Simplify right side
    19,145.01x = 372,977,981.03
  5. Step 5: Solve for x
    x = 372,977,981.03/19,145.01
  6. Step 6: Final answer
    x = 19,481.73

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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.