Home / 14,170.92-21,245.80-9,775.84

Finding the Fourth Proportional to 14,170.92, 21,245.80 and 9,775.84

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Solution

The fourth proportional to 14,170.92, 21,245.80 and 9,775.84 is: 14,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.92 : 21,245.80 = 9,775.84 : x
  2. Step 2: Convert to fraction form
    14,170.92/21,245.80 = 9,775.84/x
  3. Step 3: Cross multiply
    14,170.92x = 21,245.80 × 9,775.84
  4. Step 4: Simplify right side
    14,170.92x = 207,695,541.47
  5. Step 5: Solve for x
    x = 207,695,541.47/14,170.92
  6. Step 6: Final answer
    x = 14,656.46

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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.