Home / 15,070.04-20,794.46-8,355.66

Finding the Fourth Proportional to 15,070.04, 20,794.46 and 8,355.66

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Solution

The fourth proportional to 15,070.04, 20,794.46 and 8,355.66 is: 11,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,070.04 : 20,794.46 = 8,355.66 : x
  2. Step 2: Convert to fraction form
    15,070.04/20,794.46 = 8,355.66/x
  3. Step 3: Cross multiply
    15,070.04x = 20,794.46 × 8,355.66
  4. Step 4: Simplify right side
    15,070.04x = 173,751,395.87
  5. Step 5: Solve for x
    x = 173,751,395.87/15,070.04
  6. Step 6: Final answer
    x = 11,529.59

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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.