Home / 19,812.59-29,718.89-5,021.51

Finding the Fourth Proportional to 19,812.59, 29,718.89 and 5,021.51

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Solution

The fourth proportional to 19,812.59, 29,718.89 and 5,021.51 is: 7,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.59 : 29,718.89 = 5,021.51 : x
  2. Step 2: Convert to fraction form
    19,812.59/29,718.89 = 5,021.51/x
  3. Step 3: Cross multiply
    19,812.59x = 29,718.89 × 5,021.51
  4. Step 4: Simplify right side
    19,812.59x = 149,233,529.62
  5. Step 5: Solve for x
    x = 149,233,529.62/19,812.59
  6. Step 6: Final answer
    x = 7,532.26

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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.