Home / 38,922.76-58,384.62-11,221

Finding the Fourth Proportional to 38,922.76, 58,384.62 and 11,221

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Solution

The fourth proportional to 38,922.76, 58,384.62 and 11,221 is: 16,831.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,922.76 : 58,384.62 = 11,221 : x
  2. Step 2: Convert to fraction form
    38,922.76/58,384.62 = 11,221/x
  3. Step 3: Cross multiply
    38,922.76x = 58,384.62 × 11,221
  4. Step 4: Simplify right side
    38,922.76x = 655,133,821.02
  5. Step 5: Solve for x
    x = 655,133,821.02/38,922.76
  6. Step 6: Final answer
    x = 16,831.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.