Home / 19,135.56-26,400.54-11,960.58

Finding the Fourth Proportional to 19,135.56, 26,400.54 and 11,960.58

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Solution

The fourth proportional to 19,135.56, 26,400.54 and 11,960.58 is: 16,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.56 : 26,400.54 = 11,960.58 : x
  2. Step 2: Convert to fraction form
    19,135.56/26,400.54 = 11,960.58/x
  3. Step 3: Cross multiply
    19,135.56x = 26,400.54 × 11,960.58
  4. Step 4: Simplify right side
    19,135.56x = 315,765,770.71
  5. Step 5: Solve for x
    x = 315,765,770.71/19,135.56
  6. Step 6: Final answer
    x = 16,501.52

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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.