Home / 13,983.19-19,297.20-7,695.56

Finding the Fourth Proportional to 13,983.19, 19,297.20 and 7,695.56

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Solution

The fourth proportional to 13,983.19, 19,297.20 and 7,695.56 is: 10,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.19 : 19,297.20 = 7,695.56 : x
  2. Step 2: Convert to fraction form
    13,983.19/19,297.20 = 7,695.56/x
  3. Step 3: Cross multiply
    13,983.19x = 19,297.20 × 7,695.56
  4. Step 4: Simplify right side
    13,983.19x = 148,502,837.53
  5. Step 5: Solve for x
    x = 148,502,837.53/13,983.19
  6. Step 6: Final answer
    x = 10,620.10

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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.