Home / 14,795.17-20,417.69-8,080.75

Finding the Fourth Proportional to 14,795.17, 20,417.69 and 8,080.75

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Solution

The fourth proportional to 14,795.17, 20,417.69 and 8,080.75 is: 11,151.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.17 : 20,417.69 = 8,080.75 : x
  2. Step 2: Convert to fraction form
    14,795.17/20,417.69 = 8,080.75/x
  3. Step 3: Cross multiply
    14,795.17x = 20,417.69 × 8,080.75
  4. Step 4: Simplify right side
    14,795.17x = 164,990,133.89
  5. Step 5: Solve for x
    x = 164,990,133.89/14,795.17
  6. Step 6: Final answer
    x = 11,151.62

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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.