Home / 13,951.53-19,253.15-7,983.45

Finding the Fourth Proportional to 13,951.53, 19,253.15 and 7,983.45

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Solution

The fourth proportional to 13,951.53, 19,253.15 and 7,983.45 is: 11,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.53 : 19,253.15 = 7,983.45 : x
  2. Step 2: Convert to fraction form
    13,951.53/19,253.15 = 7,983.45/x
  3. Step 3: Cross multiply
    13,951.53x = 19,253.15 × 7,983.45
  4. Step 4: Simplify right side
    13,951.53x = 153,706,520.45
  5. Step 5: Solve for x
    x = 153,706,520.45/13,951.53
  6. Step 6: Final answer
    x = 11,017.18

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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.