Home / 15,955.08-22,034.34-11,969.88

Finding the Fourth Proportional to 15,955.08, 22,034.34 and 11,969.88

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Solution

The fourth proportional to 15,955.08, 22,034.34 and 11,969.88 is: 16,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.08 : 22,034.34 = 11,969.88 : x
  2. Step 2: Convert to fraction form
    15,955.08/22,034.34 = 11,969.88/x
  3. Step 3: Cross multiply
    15,955.08x = 22,034.34 × 11,969.88
  4. Step 4: Simplify right side
    15,955.08x = 263,748,405.68
  5. Step 5: Solve for x
    x = 263,748,405.68/15,955.08
  6. Step 6: Final answer
    x = 16,530.69

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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.