Home / 14,742.58-22,115.12-4,212.66

Finding the Fourth Proportional to 14,742.58, 22,115.12 and 4,212.66

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Solution

The fourth proportional to 14,742.58, 22,115.12 and 4,212.66 is: 6,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.58 : 22,115.12 = 4,212.66 : x
  2. Step 2: Convert to fraction form
    14,742.58/22,115.12 = 4,212.66/x
  3. Step 3: Cross multiply
    14,742.58x = 22,115.12 × 4,212.66
  4. Step 4: Simplify right side
    14,742.58x = 93,163,481.42
  5. Step 5: Solve for x
    x = 93,163,481.42/14,742.58
  6. Step 6: Final answer
    x = 6,319.35

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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.