Home / 15,832.60-21,829.16-11,580.23

Finding the Fourth Proportional to 15,832.60, 21,829.16 and 11,580.23

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Solution

The fourth proportional to 15,832.60, 21,829.16 and 11,580.23 is: 15,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832.60 : 21,829.16 = 11,580.23 : x
  2. Step 2: Convert to fraction form
    15,832.60/21,829.16 = 11,580.23/x
  3. Step 3: Cross multiply
    15,832.60x = 21,829.16 × 11,580.23
  4. Step 4: Simplify right side
    15,832.60x = 252,786,777.03
  5. Step 5: Solve for x
    x = 252,786,777.03/15,832.60
  6. Step 6: Final answer
    x = 15,966.22

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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.