Home / 13,959.06-20,935.35-4,095.69

Finding the Fourth Proportional to 13,959.06, 20,935.35 and 4,095.69

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Solution

The fourth proportional to 13,959.06, 20,935.35 and 4,095.69 is: 6,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.06 : 20,935.35 = 4,095.69 : x
  2. Step 2: Convert to fraction form
    13,959.06/20,935.35 = 4,095.69/x
  3. Step 3: Cross multiply
    13,959.06x = 20,935.35 × 4,095.69
  4. Step 4: Simplify right side
    13,959.06x = 85,744,703.64
  5. Step 5: Solve for x
    x = 85,744,703.64/13,959.06
  6. Step 6: Final answer
    x = 6,142.58

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1.5x scale

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.