Home / 23,295.78-32,148.09-12,685.32

Finding the Fourth Proportional to 23,295.78, 32,148.09 and 12,685.32

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Solution

The fourth proportional to 23,295.78, 32,148.09 and 12,685.32 is: 17,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,295.78 : 32,148.09 = 12,685.32 : x
  2. Step 2: Convert to fraction form
    23,295.78/32,148.09 = 12,685.32/x
  3. Step 3: Cross multiply
    23,295.78x = 32,148.09 × 12,685.32
  4. Step 4: Simplify right side
    23,295.78x = 407,808,809.04
  5. Step 5: Solve for x
    x = 407,808,809.04/23,295.78
  6. Step 6: Final answer
    x = 17,505.69

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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.