Home / 14,055.28-19,395.54-7,767.28

Finding the Fourth Proportional to 14,055.28, 19,395.54 and 7,767.28

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Solution

The fourth proportional to 14,055.28, 19,395.54 and 7,767.28 is: 10,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.28 : 19,395.54 = 7,767.28 : x
  2. Step 2: Convert to fraction form
    14,055.28/19,395.54 = 7,767.28/x
  3. Step 3: Cross multiply
    14,055.28x = 19,395.54 × 7,767.28
  4. Step 4: Simplify right side
    14,055.28x = 150,650,589.93
  5. Step 5: Solve for x
    x = 150,650,589.93/14,055.28
  6. Step 6: Final answer
    x = 10,718.43

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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.