Home / 15,601.46-21,529.97-8,527.86

Finding the Fourth Proportional to 15,601.46, 21,529.97 and 8,527.86

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Solution

The fourth proportional to 15,601.46, 21,529.97 and 8,527.86 is: 11,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.46 : 21,529.97 = 8,527.86 : x
  2. Step 2: Convert to fraction form
    15,601.46/21,529.97 = 8,527.86/x
  3. Step 3: Cross multiply
    15,601.46x = 21,529.97 × 8,527.86
  4. Step 4: Simplify right side
    15,601.46x = 183,604,569.96
  5. Step 5: Solve for x
    x = 183,604,569.96/15,601.46
  6. Step 6: Final answer
    x = 11,768.42

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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.