Home / 23,290.33-32,140.78-12,680.24

Finding the Fourth Proportional to 23,290.33, 32,140.78 and 12,680.24

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Solution

The fourth proportional to 23,290.33, 32,140.78 and 12,680.24 is: 17,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,290.33 : 32,140.78 = 12,680.24 : x
  2. Step 2: Convert to fraction form
    23,290.33/32,140.78 = 12,680.24/x
  3. Step 3: Cross multiply
    23,290.33x = 32,140.78 × 12,680.24
  4. Step 4: Simplify right side
    23,290.33x = 407,552,804.19
  5. Step 5: Solve for x
    x = 407,552,804.19/23,290.33
  6. Step 6: Final answer
    x = 17,498.80

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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.