Home / 21,933.60-30,268.44-12,502.32

Finding the Fourth Proportional to 21,933.60, 30,268.44 and 12,502.32

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Solution

The fourth proportional to 21,933.60, 30,268.44 and 12,502.32 is: 17,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.60 : 30,268.44 = 12,502.32 : x
  2. Step 2: Convert to fraction form
    21,933.60/30,268.44 = 12,502.32/x
  3. Step 3: Cross multiply
    21,933.60x = 30,268.44 × 12,502.32
  4. Step 4: Simplify right side
    21,933.60x = 378,425,722.78
  5. Step 5: Solve for x
    x = 378,425,722.78/21,933.60
  6. Step 6: Final answer
    x = 17,253.24

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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.