Home / 13,810.07-20,721.26-5,042.93

Finding the Fourth Proportional to 13,810.07, 20,721.26 and 5,042.93

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Solution

The fourth proportional to 13,810.07, 20,721.26 and 5,042.93 is: 7,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.07 : 20,721.26 = 5,042.93 : x
  2. Step 2: Convert to fraction form
    13,810.07/20,721.26 = 5,042.93/x
  3. Step 3: Cross multiply
    13,810.07x = 20,721.26 × 5,042.93
  4. Step 4: Simplify right side
    13,810.07x = 104,495,772.69
  5. Step 5: Solve for x
    x = 104,495,772.69/13,810.07
  6. Step 6: Final answer
    x = 7,566.63

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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.