Home / 16,020.90-22,100.79-10,360.47

Finding the Fourth Proportional to 16,020.90, 22,100.79 and 10,360.47

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Solution

The fourth proportional to 16,020.90, 22,100.79 and 10,360.47 is: 14,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,020.90 : 22,100.79 = 10,360.47 : x
  2. Step 2: Convert to fraction form
    16,020.90/22,100.79 = 10,360.47/x
  3. Step 3: Cross multiply
    16,020.90x = 22,100.79 × 10,360.47
  4. Step 4: Simplify right side
    16,020.90x = 228,974,571.77
  5. Step 5: Solve for x
    x = 228,974,571.77/16,020.90
  6. Step 6: Final answer
    x = 14,292.24

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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.