Home / 18,176.79-25,096.41-13,920.34

Finding the Fourth Proportional to 18,176.79, 25,096.41 and 13,920.34

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Solution

The fourth proportional to 18,176.79, 25,096.41 and 13,920.34 is: 19,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.79 : 25,096.41 = 13,920.34 : x
  2. Step 2: Convert to fraction form
    18,176.79/25,096.41 = 13,920.34/x
  3. Step 3: Cross multiply
    18,176.79x = 25,096.41 × 13,920.34
  4. Step 4: Simplify right side
    18,176.79x = 349,350,559.98
  5. Step 5: Solve for x
    x = 349,350,559.98/18,176.79
  6. Step 6: Final answer
    x = 19,219.60

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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.