Home / 14,297.84-19,721.13-9,813.81

Finding the Fourth Proportional to 14,297.84, 19,721.13 and 9,813.81

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Solution

The fourth proportional to 14,297.84, 19,721.13 and 9,813.81 is: 13,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.84 : 19,721.13 = 9,813.81 : x
  2. Step 2: Convert to fraction form
    14,297.84/19,721.13 = 9,813.81/x
  3. Step 3: Cross multiply
    14,297.84x = 19,721.13 × 9,813.81
  4. Step 4: Simplify right side
    14,297.84x = 193,539,418.03
  5. Step 5: Solve for x
    x = 193,539,418.03/14,297.84
  6. Step 6: Final answer
    x = 13,536.27

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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.