Home / 19,718.28-29,582.01-7,238.25

Finding the Fourth Proportional to 19,718.28, 29,582.01 and 7,238.25

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Solution

The fourth proportional to 19,718.28, 29,582.01 and 7,238.25 is: 10,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.28 : 29,582.01 = 7,238.25 : x
  2. Step 2: Convert to fraction form
    19,718.28/29,582.01 = 7,238.25/x
  3. Step 3: Cross multiply
    19,718.28x = 29,582.01 × 7,238.25
  4. Step 4: Simplify right side
    19,718.28x = 214,121,983.88
  5. Step 5: Solve for x
    x = 214,121,983.88/19,718.28
  6. Step 6: Final answer
    x = 10,859.06

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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.