Home / 13,733.76-20,603.08-4,980.90

Finding the Fourth Proportional to 13,733.76, 20,603.08 and 4,980.90

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Solution

The fourth proportional to 13,733.76, 20,603.08 and 4,980.90 is: 7,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.76 : 20,603.08 = 4,980.90 : x
  2. Step 2: Convert to fraction form
    13,733.76/20,603.08 = 4,980.90/x
  3. Step 3: Cross multiply
    13,733.76x = 20,603.08 × 4,980.90
  4. Step 4: Simplify right side
    13,733.76x = 102,621,881.17
  5. Step 5: Solve for x
    x = 102,621,881.17/13,733.76
  6. Step 6: Final answer
    x = 7,472.23

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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.