Home / 17,442.21-26,163.32-5,130.21

Finding the Fourth Proportional to 17,442.21, 26,163.32 and 5,130.21

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Solution

The fourth proportional to 17,442.21, 26,163.32 and 5,130.21 is: 7,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,442.21 : 26,163.32 = 5,130.21 : x
  2. Step 2: Convert to fraction form
    17,442.21/26,163.32 = 5,130.21/x
  3. Step 3: Cross multiply
    17,442.21x = 26,163.32 × 5,130.21
  4. Step 4: Simplify right side
    17,442.21x = 134,223,325.90
  5. Step 5: Solve for x
    x = 134,223,325.90/17,442.21
  6. Step 6: Final answer
    x = 7,695.32

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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.