Home / 30,019.87-41,426.23-17,274.99

Finding the Fourth Proportional to 30,019.87, 41,426.23 and 17,274.99

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Solution

The fourth proportional to 30,019.87, 41,426.23 and 17,274.99 is: 23,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.87 : 41,426.23 = 17,274.99 : x
  2. Step 2: Convert to fraction form
    30,019.87/41,426.23 = 17,274.99/x
  3. Step 3: Cross multiply
    30,019.87x = 41,426.23 × 17,274.99
  4. Step 4: Simplify right side
    30,019.87x = 715,637,665.80
  5. Step 5: Solve for x
    x = 715,637,665.80/30,019.87
  6. Step 6: Final answer
    x = 23,838.80

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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.