Home / 19,695.77-29,529.81-7,214.18

Finding the Fourth Proportional to 19,695.77, 29,529.81 and 7,214.18

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Solution

The fourth proportional to 19,695.77, 29,529.81 and 7,214.18 is: 10,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.77 : 29,529.81 = 7,214.18 : x
  2. Step 2: Convert to fraction form
    19,695.77/29,529.81 = 7,214.18/x
  3. Step 3: Cross multiply
    19,695.77x = 29,529.81 × 7,214.18
  4. Step 4: Simplify right side
    19,695.77x = 213,033,217.06
  5. Step 5: Solve for x
    x = 213,033,217.06/19,695.77
  6. Step 6: Final answer
    x = 10,816.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.