Home / 20,522.01-28,323.06-11,572.32

Finding the Fourth Proportional to 20,522.01, 28,323.06 and 11,572.32

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Solution

The fourth proportional to 20,522.01, 28,323.06 and 11,572.32 is: 15,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.01 : 28,323.06 = 11,572.32 : x
  2. Step 2: Convert to fraction form
    20,522.01/28,323.06 = 11,572.32/x
  3. Step 3: Cross multiply
    20,522.01x = 28,323.06 × 11,572.32
  4. Step 4: Simplify right side
    20,522.01x = 327,763,513.70
  5. Step 5: Solve for x
    x = 327,763,513.70/20,522.01
  6. Step 6: Final answer
    x = 15,971.32

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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.