Home / 19,651.32-27,118.93-10,698.79

Finding the Fourth Proportional to 19,651.32, 27,118.93 and 10,698.79

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Solution

The fourth proportional to 19,651.32, 27,118.93 and 10,698.79 is: 14,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.32 : 27,118.93 = 10,698.79 : x
  2. Step 2: Convert to fraction form
    19,651.32/27,118.93 = 10,698.79/x
  3. Step 3: Cross multiply
    19,651.32x = 27,118.93 × 10,698.79
  4. Step 4: Simplify right side
    19,651.32x = 290,139,737.09
  5. Step 5: Solve for x
    x = 290,139,737.09/19,651.32
  6. Step 6: Final answer
    x = 14,764.39

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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.