Home / 14,820.06-20,448.86-8,446.53

Finding the Fourth Proportional to 14,820.06, 20,448.86 and 8,446.53

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Solution

The fourth proportional to 14,820.06, 20,448.86 and 8,446.53 is: 11,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.06 : 20,448.86 = 8,446.53 : x
  2. Step 2: Convert to fraction form
    14,820.06/20,448.86 = 8,446.53/x
  3. Step 3: Cross multiply
    14,820.06x = 20,448.86 × 8,446.53
  4. Step 4: Simplify right side
    14,820.06x = 172,721,867.22
  5. Step 5: Solve for x
    x = 172,721,867.22/14,820.06
  6. Step 6: Final answer
    x = 11,654.60

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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.