Home / 20,296.35-28,017.60-12,341.13

Finding the Fourth Proportional to 20,296.35, 28,017.60 and 12,341.13

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Solution

The fourth proportional to 20,296.35, 28,017.60 and 12,341.13 is: 17,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.35 : 28,017.60 = 12,341.13 : x
  2. Step 2: Convert to fraction form
    20,296.35/28,017.60 = 12,341.13/x
  3. Step 3: Cross multiply
    20,296.35x = 28,017.60 × 12,341.13
  4. Step 4: Simplify right side
    20,296.35x = 345,768,843.89
  5. Step 5: Solve for x
    x = 345,768,843.89/20,296.35
  6. Step 6: Final answer
    x = 17,036.01

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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.