Home / 23,140.44-31,933.56-12,529.92

Finding the Fourth Proportional to 23,140.44, 31,933.56 and 12,529.92

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Solution

The fourth proportional to 23,140.44, 31,933.56 and 12,529.92 is: 17,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.44 : 31,933.56 = 12,529.92 : x
  2. Step 2: Convert to fraction form
    23,140.44/31,933.56 = 12,529.92/x
  3. Step 3: Cross multiply
    23,140.44x = 31,933.56 × 12,529.92
  4. Step 4: Simplify right side
    23,140.44x = 400,124,952.12
  5. Step 5: Solve for x
    x = 400,124,952.12/23,140.44
  6. Step 6: Final answer
    x = 17,291.16

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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.