Home / 12,722.08-17,547.60-12,293.92

Finding the Fourth Proportional to 12,722.08, 17,547.60 and 12,293.92

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Solution

The fourth proportional to 12,722.08, 17,547.60 and 12,293.92 is: 16,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.08 : 17,547.60 = 12,293.92 : x
  2. Step 2: Convert to fraction form
    12,722.08/17,547.60 = 12,293.92/x
  3. Step 3: Cross multiply
    12,722.08x = 17,547.60 × 12,293.92
  4. Step 4: Simplify right side
    12,722.08x = 215,728,790.59
  5. Step 5: Solve for x
    x = 215,728,790.59/12,722.08
  6. Step 6: Final answer
    x = 16,957.04

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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.