Home / 25,467.28-35,145.42-14,289.28

Finding the Fourth Proportional to 25,467.28, 35,145.42 and 14,289.28

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Solution

The fourth proportional to 25,467.28, 35,145.42 and 14,289.28 is: 19,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,467.28 : 35,145.42 = 14,289.28 : x
  2. Step 2: Convert to fraction form
    25,467.28/35,145.42 = 14,289.28/x
  3. Step 3: Cross multiply
    25,467.28x = 35,145.42 × 14,289.28
  4. Step 4: Simplify right side
    25,467.28x = 502,202,747.10
  5. Step 5: Solve for x
    x = 502,202,747.10/25,467.28
  6. Step 6: Final answer
    x = 19,719.53

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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.