Home / 15,450.40-23,153.40-9,603.60

Finding the Fourth Proportional to 15,450.40, 23,153.40 and 9,603.60

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Solution

The fourth proportional to 15,450.40, 23,153.40 and 9,603.60 is: 14,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.40 : 23,153.40 = 9,603.60 : x
  2. Step 2: Convert to fraction form
    15,450.40/23,153.40 = 9,603.60/x
  3. Step 3: Cross multiply
    15,450.40x = 23,153.40 × 9,603.60
  4. Step 4: Simplify right side
    15,450.40x = 222,355,992.24
  5. Step 5: Solve for x
    x = 222,355,992.24/15,450.40
  6. Step 6: Final answer
    x = 14,391.60

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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.