Home / 15,600.96-21,529.28-8,527.36

Finding the Fourth Proportional to 15,600.96, 21,529.28 and 8,527.36

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Solution

The fourth proportional to 15,600.96, 21,529.28 and 8,527.36 is: 11,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.96 : 21,529.28 = 8,527.36 : x
  2. Step 2: Convert to fraction form
    15,600.96/21,529.28 = 8,527.36/x
  3. Step 3: Cross multiply
    15,600.96x = 21,529.28 × 8,527.36
  4. Step 4: Simplify right side
    15,600.96x = 183,587,921.10
  5. Step 5: Solve for x
    x = 183,587,921.10/15,600.96
  6. Step 6: Final answer
    x = 11,767.73

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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.