Home / 16,283.57-22,457.45-12,515.85

Finding the Fourth Proportional to 16,283.57, 22,457.45 and 12,515.85

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Solution

The fourth proportional to 16,283.57, 22,457.45 and 12,515.85 is: 17,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,283.57 : 22,457.45 = 12,515.85 : x
  2. Step 2: Convert to fraction form
    16,283.57/22,457.45 = 12,515.85/x
  3. Step 3: Cross multiply
    16,283.57x = 22,457.45 × 12,515.85
  4. Step 4: Simplify right side
    16,283.57x = 281,074,106.87
  5. Step 5: Solve for x
    x = 281,074,106.87/16,283.57
  6. Step 6: Final answer
    x = 17,261.21

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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.