Home / 16,842.48-23,247.72-9,770.64

Finding the Fourth Proportional to 16,842.48, 23,247.72 and 9,770.64

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Solution

The fourth proportional to 16,842.48, 23,247.72 and 9,770.64 is: 13,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.48 : 23,247.72 = 9,770.64 : x
  2. Step 2: Convert to fraction form
    16,842.48/23,247.72 = 9,770.64/x
  3. Step 3: Cross multiply
    16,842.48x = 23,247.72 × 9,770.64
  4. Step 4: Simplify right side
    16,842.48x = 227,145,102.94
  5. Step 5: Solve for x
    x = 227,145,102.94/16,842.48
  6. Step 6: Final answer
    x = 13,486.44

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1.5x scale

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.