Home / 19,011.69-26,241.75-12,297.60

Finding the Fourth Proportional to 19,011.69, 26,241.75 and 12,297.60

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Solution

The fourth proportional to 19,011.69, 26,241.75 and 12,297.60 is: 16,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.69 : 26,241.75 = 12,297.60 : x
  2. Step 2: Convert to fraction form
    19,011.69/26,241.75 = 12,297.60/x
  3. Step 3: Cross multiply
    19,011.69x = 26,241.75 × 12,297.60
  4. Step 4: Simplify right side
    19,011.69x = 322,710,544.80
  5. Step 5: Solve for x
    x = 322,710,544.80/19,011.69
  6. Step 6: Final answer
    x = 16,974.32

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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.