Home / 15,455.18-23,187.09-5,074.22

Finding the Fourth Proportional to 15,455.18, 23,187.09 and 5,074.22

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Solution

The fourth proportional to 15,455.18, 23,187.09 and 5,074.22 is: 7,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.18 : 23,187.09 = 5,074.22 : x
  2. Step 2: Convert to fraction form
    15,455.18/23,187.09 = 5,074.22/x
  3. Step 3: Cross multiply
    15,455.18x = 23,187.09 × 5,074.22
  4. Step 4: Simplify right side
    15,455.18x = 117,656,395.82
  5. Step 5: Solve for x
    x = 117,656,395.82/15,455.18
  6. Step 6: Final answer
    x = 7,612.75

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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.