Home / 15,957.14-22,020.63-8,883.56

Finding the Fourth Proportional to 15,957.14, 22,020.63 and 8,883.56

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Solution

The fourth proportional to 15,957.14, 22,020.63 and 8,883.56 is: 12,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.14 : 22,020.63 = 8,883.56 : x
  2. Step 2: Convert to fraction form
    15,957.14/22,020.63 = 8,883.56/x
  3. Step 3: Cross multiply
    15,957.14x = 22,020.63 × 8,883.56
  4. Step 4: Simplify right side
    15,957.14x = 195,621,587.84
  5. Step 5: Solve for x
    x = 195,621,587.84/15,957.14
  6. Step 6: Final answer
    x = 12,259.19

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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.