Home / 16,320.70-22,522.20-9,515.98

Finding the Fourth Proportional to 16,320.70, 22,522.20 and 9,515.98

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Solution

The fourth proportional to 16,320.70, 22,522.20 and 9,515.98 is: 13,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,320.70 : 22,522.20 = 9,515.98 : x
  2. Step 2: Convert to fraction form
    16,320.70/22,522.20 = 9,515.98/x
  3. Step 3: Cross multiply
    16,320.70x = 22,522.20 × 9,515.98
  4. Step 4: Simplify right side
    16,320.70x = 214,320,804.76
  5. Step 5: Solve for x
    x = 214,320,804.76/16,320.70
  6. Step 6: Final answer
    x = 13,131.84

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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.