Home / 19,269.84-28,887.22-7,416.04

Finding the Fourth Proportional to 19,269.84, 28,887.22 and 7,416.04

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Solution

The fourth proportional to 19,269.84, 28,887.22 and 7,416.04 is: 11,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.84 : 28,887.22 = 7,416.04 : x
  2. Step 2: Convert to fraction form
    19,269.84/28,887.22 = 7,416.04/x
  3. Step 3: Cross multiply
    19,269.84x = 28,887.22 × 7,416.04
  4. Step 4: Simplify right side
    19,269.84x = 214,228,779.01
  5. Step 5: Solve for x
    x = 214,228,779.01/19,269.84
  6. Step 6: Final answer
    x = 11,117.31

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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.