Home / 30,633.36-45,885.45-14,007.38

Finding the Fourth Proportional to 30,633.36, 45,885.45 and 14,007.38

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Solution

The fourth proportional to 30,633.36, 45,885.45 and 14,007.38 is: 20,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,633.36 : 45,885.45 = 14,007.38 : x
  2. Step 2: Convert to fraction form
    30,633.36/45,885.45 = 14,007.38/x
  3. Step 3: Cross multiply
    30,633.36x = 45,885.45 × 14,007.38
  4. Step 4: Simplify right side
    30,633.36x = 642,735,015.83
  5. Step 5: Solve for x
    x = 642,735,015.83/30,633.36
  6. Step 6: Final answer
    x = 20,981.54

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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.