Home / 17,172.48-23,700.88-11,790.51

Finding the Fourth Proportional to 17,172.48, 23,700.88 and 11,790.51

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Solution

The fourth proportional to 17,172.48, 23,700.88 and 11,790.51 is: 16,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.48 : 23,700.88 = 11,790.51 : x
  2. Step 2: Convert to fraction form
    17,172.48/23,700.88 = 11,790.51/x
  3. Step 3: Cross multiply
    17,172.48x = 23,700.88 × 11,790.51
  4. Step 4: Simplify right side
    17,172.48x = 279,445,462.65
  5. Step 5: Solve for x
    x = 279,445,462.65/17,172.48
  6. Step 6: Final answer
    x = 16,272.87

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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.