Home / 15,699.12-23,537.16-7,374.84

Finding the Fourth Proportional to 15,699.12, 23,537.16 and 7,374.84

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Solution

The fourth proportional to 15,699.12, 23,537.16 and 7,374.84 is: 11,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.12 : 23,537.16 = 7,374.84 : x
  2. Step 2: Convert to fraction form
    15,699.12/23,537.16 = 7,374.84/x
  3. Step 3: Cross multiply
    15,699.12x = 23,537.16 × 7,374.84
  4. Step 4: Simplify right side
    15,699.12x = 173,582,789.05
  5. Step 5: Solve for x
    x = 173,582,789.05/15,699.12
  6. Step 6: Final answer
    x = 11,056.85

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1.5x scale

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.