Home / 13,923.90-19,216.00-7,955.44

Finding the Fourth Proportional to 13,923.90, 19,216.00 and 7,955.44

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Solution

The fourth proportional to 13,923.90, 19,216.00 and 7,955.44 is: 10,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.90 : 19,216.00 = 7,955.44 : x
  2. Step 2: Convert to fraction form
    13,923.90/19,216.00 = 7,955.44/x
  3. Step 3: Cross multiply
    13,923.90x = 19,216.00 × 7,955.44
  4. Step 4: Simplify right side
    13,923.90x = 152,871,698.17
  5. Step 5: Solve for x
    x = 152,871,698.17/13,923.90
  6. Step 6: Final answer
    x = 10,979.09

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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.