Home / 15,768.80-23,624.40-9,605.60

Finding the Fourth Proportional to 15,768.80, 23,624.40 and 9,605.60

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Solution

The fourth proportional to 15,768.80, 23,624.40 and 9,605.60 is: 14,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.80 : 23,624.40 = 9,605.60 : x
  2. Step 2: Convert to fraction form
    15,768.80/23,624.40 = 9,605.60/x
  3. Step 3: Cross multiply
    15,768.80x = 23,624.40 × 9,605.60
  4. Step 4: Simplify right side
    15,768.80x = 226,926,536.64
  5. Step 5: Solve for x
    x = 226,926,536.64/15,768.80
  6. Step 6: Final answer
    x = 14,390.86

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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.