Home / 25,965.06-38,953.35-12,106.50

Finding the Fourth Proportional to 25,965.06, 38,953.35 and 12,106.50

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Solution

The fourth proportional to 25,965.06, 38,953.35 and 12,106.50 is: 18,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.06 : 38,953.35 = 12,106.50 : x
  2. Step 2: Convert to fraction form
    25,965.06/38,953.35 = 12,106.50/x
  3. Step 3: Cross multiply
    25,965.06x = 38,953.35 × 12,106.50
  4. Step 4: Simplify right side
    25,965.06x = 471,588,731.78
  5. Step 5: Solve for x
    x = 471,588,731.78/25,965.06
  6. Step 6: Final answer
    x = 18,162.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.