Home / 14,987.86-22,481.78-4,457.84

Finding the Fourth Proportional to 14,987.86, 22,481.78 and 4,457.84

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Solution

The fourth proportional to 14,987.86, 22,481.78 and 4,457.84 is: 6,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.86 : 22,481.78 = 4,457.84 : x
  2. Step 2: Convert to fraction form
    14,987.86/22,481.78 = 4,457.84/x
  3. Step 3: Cross multiply
    14,987.86x = 22,481.78 × 4,457.84
  4. Step 4: Simplify right side
    14,987.86x = 100,220,099.66
  5. Step 5: Solve for x
    x = 100,220,099.66/14,987.86
  6. Step 6: Final answer
    x = 6,686.75

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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.