Home / 20,536.03-28,314.02-17,137.93

Finding the Fourth Proportional to 20,536.03, 28,314.02 and 17,137.93

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Solution

The fourth proportional to 20,536.03, 28,314.02 and 17,137.93 is: 23,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.03 : 28,314.02 = 17,137.93 : x
  2. Step 2: Convert to fraction form
    20,536.03/28,314.02 = 17,137.93/x
  3. Step 3: Cross multiply
    20,536.03x = 28,314.02 × 17,137.93
  4. Step 4: Simplify right side
    20,536.03x = 485,243,717.93
  5. Step 5: Solve for x
    x = 485,243,717.93/20,536.03
  6. Step 6: Final answer
    x = 23,628.89

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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.