Home / 14,055.25-19,395.99-7,767.49

Finding the Fourth Proportional to 14,055.25, 19,395.99 and 7,767.49

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Solution

The fourth proportional to 14,055.25, 19,395.99 and 7,767.49 is: 10,718.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.25 : 19,395.99 = 7,767.49 : x
  2. Step 2: Convert to fraction form
    14,055.25/19,395.99 = 7,767.49/x
  3. Step 3: Cross multiply
    14,055.25x = 19,395.99 × 7,767.49
  4. Step 4: Simplify right side
    14,055.25x = 150,658,119.53
  5. Step 5: Solve for x
    x = 150,658,119.53/14,055.25
  6. Step 6: Final answer
    x = 10,718.99

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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.