Home / 21,933.64-30,266.58-12,500.20

Finding the Fourth Proportional to 21,933.64, 30,266.58 and 12,500.20

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Solution

The fourth proportional to 21,933.64, 30,266.58 and 12,500.20 is: 17,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.64 : 30,266.58 = 12,500.20 : x
  2. Step 2: Convert to fraction form
    21,933.64/30,266.58 = 12,500.20/x
  3. Step 3: Cross multiply
    21,933.64x = 30,266.58 × 12,500.20
  4. Step 4: Simplify right side
    21,933.64x = 378,338,303.32
  5. Step 5: Solve for x
    x = 378,338,303.32/21,933.64
  6. Step 6: Final answer
    x = 17,249.23

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Double scale
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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.