Home / 25,161.70-34,722.41-14,406.21

Finding the Fourth Proportional to 25,161.70, 34,722.41 and 14,406.21

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Solution

The fourth proportional to 25,161.70, 34,722.41 and 14,406.21 is: 19,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.70 : 34,722.41 = 14,406.21 : x
  2. Step 2: Convert to fraction form
    25,161.70/34,722.41 = 14,406.21/x
  3. Step 3: Cross multiply
    25,161.70x = 34,722.41 × 14,406.21
  4. Step 4: Simplify right side
    25,161.70x = 500,218,330.17
  5. Step 5: Solve for x
    x = 500,218,330.17/25,161.70
  6. Step 6: Final answer
    x = 19,880.15

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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.