Home / 14,153.74-21,230.59-3,765.49

Finding the Fourth Proportional to 14,153.74, 21,230.59 and 3,765.49

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Solution

The fourth proportional to 14,153.74, 21,230.59 and 3,765.49 is: 5,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.74 : 21,230.59 = 3,765.49 : x
  2. Step 2: Convert to fraction form
    14,153.74/21,230.59 = 3,765.49/x
  3. Step 3: Cross multiply
    14,153.74x = 21,230.59 × 3,765.49
  4. Step 4: Simplify right side
    14,153.74x = 79,943,555.51
  5. Step 5: Solve for x
    x = 79,943,555.51/14,153.74
  6. Step 6: Final answer
    x = 5,648.23

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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.