Home / 14,110.60-21,202.35-12,506.80

Finding the Fourth Proportional to 14,110.60, 21,202.35 and 12,506.80

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Solution

The fourth proportional to 14,110.60, 21,202.35 and 12,506.80 is: 18,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.60 : 21,202.35 = 12,506.80 : x
  2. Step 2: Convert to fraction form
    14,110.60/21,202.35 = 12,506.80/x
  3. Step 3: Cross multiply
    14,110.60x = 21,202.35 × 12,506.80
  4. Step 4: Simplify right side
    14,110.60x = 265,173,550.98
  5. Step 5: Solve for x
    x = 265,173,550.98/14,110.60
  6. Step 6: Final answer
    x = 18,792.51

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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.