Home / 23,211.39-32,040-13,779.93

Finding the Fourth Proportional to 23,211.39, 32,040 and 13,779.93

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Solution

The fourth proportional to 23,211.39, 32,040 and 13,779.93 is: 19,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.39 : 32,040 = 13,779.93 : x
  2. Step 2: Convert to fraction form
    23,211.39/32,040 = 13,779.93/x
  3. Step 3: Cross multiply
    23,211.39x = 32,040 × 13,779.93
  4. Step 4: Simplify right side
    23,211.39x = 441,508,957.20
  5. Step 5: Solve for x
    x = 441,508,957.20/23,211.39
  6. Step 6: Final answer
    x = 19,021.22

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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.