Home / 15,903.24-21,946.42-8,829.96

Finding the Fourth Proportional to 15,903.24, 21,946.42 and 8,829.96

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Solution

The fourth proportional to 15,903.24, 21,946.42 and 8,829.96 is: 12,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.24 : 21,946.42 = 8,829.96 : x
  2. Step 2: Convert to fraction form
    15,903.24/21,946.42 = 8,829.96/x
  3. Step 3: Cross multiply
    15,903.24x = 21,946.42 × 8,829.96
  4. Step 4: Simplify right side
    15,903.24x = 193,786,010.74
  5. Step 5: Solve for x
    x = 193,786,010.74/15,903.24
  6. Step 6: Final answer
    x = 12,185.32

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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.