Home / 15,600.17-21,529.71-8,527.65

Finding the Fourth Proportional to 15,600.17, 21,529.71 and 8,527.65

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Solution

The fourth proportional to 15,600.17, 21,529.71 and 8,527.65 is: 11,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.17 : 21,529.71 = 8,527.65 : x
  2. Step 2: Convert to fraction form
    15,600.17/21,529.71 = 8,527.65/x
  3. Step 3: Cross multiply
    15,600.17x = 21,529.71 × 8,527.65
  4. Step 4: Simplify right side
    15,600.17x = 183,597,831.48
  5. Step 5: Solve for x
    x = 183,597,831.48/15,600.17
  6. Step 6: Final answer
    x = 11,768.97

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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.