Home / 14,611.51-21,920.37-4,750.57

Finding the Fourth Proportional to 14,611.51, 21,920.37 and 4,750.57

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Solution

The fourth proportional to 14,611.51, 21,920.37 and 4,750.57 is: 7,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.51 : 21,920.37 = 4,750.57 : x
  2. Step 2: Convert to fraction form
    14,611.51/21,920.37 = 4,750.57/x
  3. Step 3: Cross multiply
    14,611.51x = 21,920.37 × 4,750.57
  4. Step 4: Simplify right side
    14,611.51x = 104,134,252.11
  5. Step 5: Solve for x
    x = 104,134,252.11/14,611.51
  6. Step 6: Final answer
    x = 7,126.86

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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.