Home / 15,629.60-21,572.52-10,324.64

Finding the Fourth Proportional to 15,629.60, 21,572.52 and 10,324.64

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Solution

The fourth proportional to 15,629.60, 21,572.52 and 10,324.64 is: 14,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.60 : 21,572.52 = 10,324.64 : x
  2. Step 2: Convert to fraction form
    15,629.60/21,572.52 = 10,324.64/x
  3. Step 3: Cross multiply
    15,629.60x = 21,572.52 × 10,324.64
  4. Step 4: Simplify right side
    15,629.60x = 222,728,502.89
  5. Step 5: Solve for x
    x = 222,728,502.89/15,629.60
  6. Step 6: Final answer
    x = 14,250.43

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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.