Home / 23,140.41-31,933.62-12,530.01

Finding the Fourth Proportional to 23,140.41, 31,933.62 and 12,530.01

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Solution

The fourth proportional to 23,140.41, 31,933.62 and 12,530.01 is: 17,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.41 : 31,933.62 = 12,530.01 : x
  2. Step 2: Convert to fraction form
    23,140.41/31,933.62 = 12,530.01/x
  3. Step 3: Cross multiply
    23,140.41x = 31,933.62 × 12,530.01
  4. Step 4: Simplify right side
    23,140.41x = 400,128,577.94
  5. Step 5: Solve for x
    x = 400,128,577.94/23,140.41
  6. Step 6: Final answer
    x = 17,291.33

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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.