Home / 15,093.20-22,603.32-7,678.16

Finding the Fourth Proportional to 15,093.20, 22,603.32 and 7,678.16

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Solution

The fourth proportional to 15,093.20, 22,603.32 and 7,678.16 is: 11,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,093.20 : 22,603.32 = 7,678.16 : x
  2. Step 2: Convert to fraction form
    15,093.20/22,603.32 = 7,678.16/x
  3. Step 3: Cross multiply
    15,093.20x = 22,603.32 × 7,678.16
  4. Step 4: Simplify right side
    15,093.20x = 173,551,907.49
  5. Step 5: Solve for x
    x = 173,551,907.49/15,093.20
  6. Step 6: Final answer
    x = 11,498.68

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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.