Home / 14,223.40-19,627.62-7,936.68

Finding the Fourth Proportional to 14,223.40, 19,627.62 and 7,936.68

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Solution

The fourth proportional to 14,223.40, 19,627.62 and 7,936.68 is: 10,952.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.40 : 19,627.62 = 7,936.68 : x
  2. Step 2: Convert to fraction form
    14,223.40/19,627.62 = 7,936.68/x
  3. Step 3: Cross multiply
    14,223.40x = 19,627.62 × 7,936.68
  4. Step 4: Simplify right side
    14,223.40x = 155,778,139.10
  5. Step 5: Solve for x
    x = 155,778,139.10/14,223.40
  6. Step 6: Final answer
    x = 10,952.24

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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.