Home / 19,103.15-28,654.59-10,393.43

Finding the Fourth Proportional to 19,103.15, 28,654.59 and 10,393.43

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Solution

The fourth proportional to 19,103.15, 28,654.59 and 10,393.43 is: 15,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.15 : 28,654.59 = 10,393.43 : x
  2. Step 2: Convert to fraction form
    19,103.15/28,654.59 = 10,393.43/x
  3. Step 3: Cross multiply
    19,103.15x = 28,654.59 × 10,393.43
  4. Step 4: Simplify right side
    19,103.15x = 297,819,475.34
  5. Step 5: Solve for x
    x = 297,819,475.34/19,103.15
  6. Step 6: Final answer
    x = 15,590.07

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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.