Home / 13,951.40-19,253.24-7,983.60

Finding the Fourth Proportional to 13,951.40, 19,253.24 and 7,983.60

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Solution

The fourth proportional to 13,951.40, 19,253.24 and 7,983.60 is: 11,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.40 : 19,253.24 = 7,983.60 : x
  2. Step 2: Convert to fraction form
    13,951.40/19,253.24 = 7,983.60/x
  3. Step 3: Cross multiply
    13,951.40x = 19,253.24 × 7,983.60
  4. Step 4: Simplify right side
    13,951.40x = 153,710,166.86
  5. Step 5: Solve for x
    x = 153,710,166.86/13,951.40
  6. Step 6: Final answer
    x = 11,017.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.