Home / 23,331.04-32,196.29-12,720.65

Finding the Fourth Proportional to 23,331.04, 32,196.29 and 12,720.65

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Solution

The fourth proportional to 23,331.04, 32,196.29 and 12,720.65 is: 17,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.04 : 32,196.29 = 12,720.65 : x
  2. Step 2: Convert to fraction form
    23,331.04/32,196.29 = 12,720.65/x
  3. Step 3: Cross multiply
    23,331.04x = 32,196.29 × 12,720.65
  4. Step 4: Simplify right side
    23,331.04x = 409,557,511.80
  5. Step 5: Solve for x
    x = 409,557,511.80/23,331.04
  6. Step 6: Final answer
    x = 17,554.19

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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.