Home / 12,603.30-18,894.54-4,701.45

Finding the Fourth Proportional to 12,603.30, 18,894.54 and 4,701.45

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Solution

The fourth proportional to 12,603.30, 18,894.54 and 4,701.45 is: 7,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.30 : 18,894.54 = 4,701.45 : x
  2. Step 2: Convert to fraction form
    12,603.30/18,894.54 = 4,701.45/x
  3. Step 3: Cross multiply
    12,603.30x = 18,894.54 × 4,701.45
  4. Step 4: Simplify right side
    12,603.30x = 88,831,735.08
  5. Step 5: Solve for x
    x = 88,831,735.08/12,603.30
  6. Step 6: Final answer
    x = 7,048.29

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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.