Home / 23,295.87-32,147.69-12,685.28

Finding the Fourth Proportional to 23,295.87, 32,147.69 and 12,685.28

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Solution

The fourth proportional to 23,295.87, 32,147.69 and 12,685.28 is: 17,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,295.87 : 32,147.69 = 12,685.28 : x
  2. Step 2: Convert to fraction form
    23,295.87/32,147.69 = 12,685.28/x
  3. Step 3: Cross multiply
    23,295.87x = 32,147.69 × 12,685.28
  4. Step 4: Simplify right side
    23,295.87x = 407,802,224.84
  5. Step 5: Solve for x
    x = 407,802,224.84/23,295.87
  6. Step 6: Final answer
    x = 17,505.34

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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.