Home / 25,491.72-35,178.84-14,161.92

Finding the Fourth Proportional to 25,491.72, 35,178.84 and 14,161.92

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Solution

The fourth proportional to 25,491.72, 35,178.84 and 14,161.92 is: 19,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.72 : 35,178.84 = 14,161.92 : x
  2. Step 2: Convert to fraction form
    25,491.72/35,178.84 = 14,161.92/x
  3. Step 3: Cross multiply
    25,491.72x = 35,178.84 × 14,161.92
  4. Step 4: Simplify right side
    25,491.72x = 498,199,917.77
  5. Step 5: Solve for x
    x = 498,199,917.77/25,491.72
  6. Step 6: Final answer
    x = 19,543.60

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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.