Home / 14,566.40-21,835.20-5,789.60

Finding the Fourth Proportional to 14,566.40, 21,835.20 and 5,789.60

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Solution

The fourth proportional to 14,566.40, 21,835.20 and 5,789.60 is: 8,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566.40 : 21,835.20 = 5,789.60 : x
  2. Step 2: Convert to fraction form
    14,566.40/21,835.20 = 5,789.60/x
  3. Step 3: Cross multiply
    14,566.40x = 21,835.20 × 5,789.60
  4. Step 4: Simplify right side
    14,566.40x = 126,417,073.92
  5. Step 5: Solve for x
    x = 126,417,073.92/14,566.40
  6. Step 6: Final answer
    x = 8,678.68

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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.