Home / 13,752.22-20,632.02-4,988.47

Finding the Fourth Proportional to 13,752.22, 20,632.02 and 4,988.47

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Solution

The fourth proportional to 13,752.22, 20,632.02 and 4,988.47 is: 7,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.22 : 20,632.02 = 4,988.47 : x
  2. Step 2: Convert to fraction form
    13,752.22/20,632.02 = 4,988.47/x
  3. Step 3: Cross multiply
    13,752.22x = 20,632.02 × 4,988.47
  4. Step 4: Simplify right side
    13,752.22x = 102,922,212.81
  5. Step 5: Solve for x
    x = 102,922,212.81/13,752.22
  6. Step 6: Final answer
    x = 7,484.04

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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.