Home / 19,463.36-26,870.20-11,911.60

Finding the Fourth Proportional to 19,463.36, 26,870.20 and 11,911.60

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Solution

The fourth proportional to 19,463.36, 26,870.20 and 11,911.60 is: 16,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,463.36 : 26,870.20 = 11,911.60 : x
  2. Step 2: Convert to fraction form
    19,463.36/26,870.20 = 11,911.60/x
  3. Step 3: Cross multiply
    19,463.36x = 26,870.20 × 11,911.60
  4. Step 4: Simplify right side
    19,463.36x = 320,067,074.32
  5. Step 5: Solve for x
    x = 320,067,074.32/19,463.36
  6. Step 6: Final answer
    x = 16,444.60

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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.