Home / 19,335.24-26,678.34-12,270.60

Finding the Fourth Proportional to 19,335.24, 26,678.34 and 12,270.60

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Solution

The fourth proportional to 19,335.24, 26,678.34 and 12,270.60 is: 16,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.24 : 26,678.34 = 12,270.60 : x
  2. Step 2: Convert to fraction form
    19,335.24/26,678.34 = 12,270.60/x
  3. Step 3: Cross multiply
    19,335.24x = 26,678.34 × 12,270.60
  4. Step 4: Simplify right side
    19,335.24x = 327,359,238.80
  5. Step 5: Solve for x
    x = 327,359,238.80/19,335.24
  6. Step 6: Final answer
    x = 16,930.70

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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.