Home / 20,524.08-28,323.36-11,570.70

Finding the Fourth Proportional to 20,524.08, 28,323.36 and 11,570.70

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Solution

The fourth proportional to 20,524.08, 28,323.36 and 11,570.70 is: 15,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.08 : 28,323.36 = 11,570.70 : x
  2. Step 2: Convert to fraction form
    20,524.08/28,323.36 = 11,570.70/x
  3. Step 3: Cross multiply
    20,524.08x = 28,323.36 × 11,570.70
  4. Step 4: Simplify right side
    20,524.08x = 327,721,101.55
  5. Step 5: Solve for x
    x = 327,721,101.55/20,524.08
  6. Step 6: Final answer
    x = 15,967.64

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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.