Home / 15,874.09-23,814.59-4,779.93

Finding the Fourth Proportional to 15,874.09, 23,814.59 and 4,779.93

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Solution

The fourth proportional to 15,874.09, 23,814.59 and 4,779.93 is: 7,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.09 : 23,814.59 = 4,779.93 : x
  2. Step 2: Convert to fraction form
    15,874.09/23,814.59 = 4,779.93/x
  3. Step 3: Cross multiply
    15,874.09x = 23,814.59 × 4,779.93
  4. Step 4: Simplify right side
    15,874.09x = 113,832,073.18
  5. Step 5: Solve for x
    x = 113,832,073.18/15,874.09
  6. Step 6: Final answer
    x = 7,170.94

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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.