Home / 19,051.20-26,278.02-15,066

Finding the Fourth Proportional to 19,051.20, 26,278.02 and 15,066

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Solution

The fourth proportional to 19,051.20, 26,278.02 and 15,066 is: 20,781.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.20 : 26,278.02 = 15,066 : x
  2. Step 2: Convert to fraction form
    19,051.20/26,278.02 = 15,066/x
  3. Step 3: Cross multiply
    19,051.20x = 26,278.02 × 15,066
  4. Step 4: Simplify right side
    19,051.20x = 395,904,649.32
  5. Step 5: Solve for x
    x = 395,904,649.32/19,051.20
  6. Step 6: Final answer
    x = 20,781.09

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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.