Home / 19,406.60-26,781.00-11,345.69

Finding the Fourth Proportional to 19,406.60, 26,781.00 and 11,345.69

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Solution

The fourth proportional to 19,406.60, 26,781.00 and 11,345.69 is: 15,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.60 : 26,781.00 = 11,345.69 : x
  2. Step 2: Convert to fraction form
    19,406.60/26,781.00 = 11,345.69/x
  3. Step 3: Cross multiply
    19,406.60x = 26,781.00 × 11,345.69
  4. Step 4: Simplify right side
    19,406.60x = 303,848,797.65
  5. Step 5: Solve for x
    x = 303,848,797.65/19,406.60
  6. Step 6: Final answer
    x = 15,656.98

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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.