Home / 30,173.17-45,274.83-13,545.04

Finding the Fourth Proportional to 30,173.17, 45,274.83 and 13,545.04

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Solution

The fourth proportional to 30,173.17, 45,274.83 and 13,545.04 is: 20,324.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.17 : 45,274.83 = 13,545.04 : x
  2. Step 2: Convert to fraction form
    30,173.17/45,274.83 = 13,545.04/x
  3. Step 3: Cross multiply
    30,173.17x = 45,274.83 × 13,545.04
  4. Step 4: Simplify right side
    30,173.17x = 613,249,383.34
  5. Step 5: Solve for x
    x = 613,249,383.34/30,173.17
  6. Step 6: Final answer
    x = 20,324.33

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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.