Home / 23,322.61-32,185.11-12,712.21

Finding the Fourth Proportional to 23,322.61, 32,185.11 and 12,712.21

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Solution

The fourth proportional to 23,322.61, 32,185.11 and 12,712.21 is: 17,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,322.61 : 32,185.11 = 12,712.21 : x
  2. Step 2: Convert to fraction form
    23,322.61/32,185.11 = 12,712.21/x
  3. Step 3: Cross multiply
    23,322.61x = 32,185.11 × 12,712.21
  4. Step 4: Simplify right side
    23,322.61x = 409,143,877.19
  5. Step 5: Solve for x
    x = 409,143,877.19/23,322.61
  6. Step 6: Final answer
    x = 17,542.80

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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.