Home / 19,178.28-26,465.72-10,680.24

Finding the Fourth Proportional to 19,178.28, 26,465.72 and 10,680.24

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Solution

The fourth proportional to 19,178.28, 26,465.72 and 10,680.24 is: 14,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.28 : 26,465.72 = 10,680.24 : x
  2. Step 2: Convert to fraction form
    19,178.28/26,465.72 = 10,680.24/x
  3. Step 3: Cross multiply
    19,178.28x = 26,465.72 × 10,680.24
  4. Step 4: Simplify right side
    19,178.28x = 282,660,241.37
  5. Step 5: Solve for x
    x = 282,660,241.37/19,178.28
  6. Step 6: Final answer
    x = 14,738.56

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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.