Home / 23,315.75-32,175.74-12,705.38

Finding the Fourth Proportional to 23,315.75, 32,175.74 and 12,705.38

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Solution

The fourth proportional to 23,315.75, 32,175.74 and 12,705.38 is: 17,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,315.75 : 32,175.74 = 12,705.38 : x
  2. Step 2: Convert to fraction form
    23,315.75/32,175.74 = 12,705.38/x
  3. Step 3: Cross multiply
    23,315.75x = 32,175.74 × 12,705.38
  4. Step 4: Simplify right side
    23,315.75x = 408,804,779.08
  5. Step 5: Solve for x
    x = 408,804,779.08/23,315.75
  6. Step 6: Final answer
    x = 17,533.42

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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.