Home / 19,824.51-29,727.36-11,507.07

Finding the Fourth Proportional to 19,824.51, 29,727.36 and 11,507.07

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Solution

The fourth proportional to 19,824.51, 29,727.36 and 11,507.07 is: 17,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.51 : 29,727.36 = 11,507.07 : x
  2. Step 2: Convert to fraction form
    19,824.51/29,727.36 = 11,507.07/x
  3. Step 3: Cross multiply
    19,824.51x = 29,727.36 × 11,507.07
  4. Step 4: Simplify right side
    19,824.51x = 342,074,812.44
  5. Step 5: Solve for x
    x = 342,074,812.44/19,824.51
  6. Step 6: Final answer
    x = 17,255.15

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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.