Home / 19,286.58-26,615.52-10,903.08

Finding the Fourth Proportional to 19,286.58, 26,615.52 and 10,903.08

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Solution

The fourth proportional to 19,286.58, 26,615.52 and 10,903.08 is: 15,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.58 : 26,615.52 = 10,903.08 : x
  2. Step 2: Convert to fraction form
    19,286.58/26,615.52 = 10,903.08/x
  3. Step 3: Cross multiply
    19,286.58x = 26,615.52 × 10,903.08
  4. Step 4: Simplify right side
    19,286.58x = 290,191,143.80
  5. Step 5: Solve for x
    x = 290,191,143.80/19,286.58
  6. Step 6: Final answer
    x = 15,046.27

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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.