Home / 17,965.72-26,790.31-16,719.13

Finding the Fourth Proportional to 17,965.72, 26,790.31 and 16,719.13

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Solution

The fourth proportional to 17,965.72, 26,790.31 and 16,719.13 is: 24,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.72 : 26,790.31 = 16,719.13 : x
  2. Step 2: Convert to fraction form
    17,965.72/26,790.31 = 16,719.13/x
  3. Step 3: Cross multiply
    17,965.72x = 26,790.31 × 16,719.13
  4. Step 4: Simplify right side
    17,965.72x = 447,910,675.63
  5. Step 5: Solve for x
    x = 447,910,675.63/17,965.72
  6. Step 6: Final answer
    x = 24,931.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.