Home / 15,784.98-23,677.66-4,691.40

Finding the Fourth Proportional to 15,784.98, 23,677.66 and 4,691.40

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Solution

The fourth proportional to 15,784.98, 23,677.66 and 4,691.40 is: 7,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.98 : 23,677.66 = 4,691.40 : x
  2. Step 2: Convert to fraction form
    15,784.98/23,677.66 = 4,691.40/x
  3. Step 3: Cross multiply
    15,784.98x = 23,677.66 × 4,691.40
  4. Step 4: Simplify right side
    15,784.98x = 111,081,374.12
  5. Step 5: Solve for x
    x = 111,081,374.12/15,784.98
  6. Step 6: Final answer
    x = 7,037.16

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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.