Home / 15,790.25-23,700.27-11,617.55

Finding the Fourth Proportional to 15,790.25, 23,700.27 and 11,617.55

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Solution

The fourth proportional to 15,790.25, 23,700.27 and 11,617.55 is: 17,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.25 : 23,700.27 = 11,617.55 : x
  2. Step 2: Convert to fraction form
    15,790.25/23,700.27 = 11,617.55/x
  3. Step 3: Cross multiply
    15,790.25x = 23,700.27 × 11,617.55
  4. Step 4: Simplify right side
    15,790.25x = 275,339,071.74
  5. Step 5: Solve for x
    x = 275,339,071.74/15,790.25
  6. Step 6: Final answer
    x = 17,437.28

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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.