Home / 16,815.12-23,203.98-9,262.50

Finding the Fourth Proportional to 16,815.12, 23,203.98 and 9,262.50

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Solution

The fourth proportional to 16,815.12, 23,203.98 and 9,262.50 is: 12,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.12 : 23,203.98 = 9,262.50 : x
  2. Step 2: Convert to fraction form
    16,815.12/23,203.98 = 9,262.50/x
  3. Step 3: Cross multiply
    16,815.12x = 23,203.98 × 9,262.50
  4. Step 4: Simplify right side
    16,815.12x = 214,926,864.75
  5. Step 5: Solve for x
    x = 214,926,864.75/16,815.12
  6. Step 6: Final answer
    x = 12,781.76

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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.