Home / 23,130.63-31,918.41-13,061.52

Finding the Fourth Proportional to 23,130.63, 31,918.41 and 13,061.52

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Solution

The fourth proportional to 23,130.63, 31,918.41 and 13,061.52 is: 18,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.63 : 31,918.41 = 13,061.52 : x
  2. Step 2: Convert to fraction form
    23,130.63/31,918.41 = 13,061.52/x
  3. Step 3: Cross multiply
    23,130.63x = 31,918.41 × 13,061.52
  4. Step 4: Simplify right side
    23,130.63x = 416,902,950.58
  5. Step 5: Solve for x
    x = 416,902,950.58/23,130.63
  6. Step 6: Final answer
    x = 18,023.85

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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.