Home / 14,730.48-20,324.58-8,355.66

Finding the Fourth Proportional to 14,730.48, 20,324.58 and 8,355.66

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Solution

The fourth proportional to 14,730.48, 20,324.58 and 8,355.66 is: 11,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.48 : 20,324.58 = 8,355.66 : x
  2. Step 2: Convert to fraction form
    14,730.48/20,324.58 = 8,355.66/x
  3. Step 3: Cross multiply
    14,730.48x = 20,324.58 × 8,355.66
  4. Step 4: Simplify right side
    14,730.48x = 169,825,280.12
  5. Step 5: Solve for x
    x = 169,825,280.12/14,730.48
  6. Step 6: Final answer
    x = 11,528.84

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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.