Home / 29,653.99-40,920.75-16,222.57

Finding the Fourth Proportional to 29,653.99, 40,920.75 and 16,222.57

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Solution

The fourth proportional to 29,653.99, 40,920.75 and 16,222.57 is: 22,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,653.99 : 40,920.75 = 16,222.57 : x
  2. Step 2: Convert to fraction form
    29,653.99/40,920.75 = 16,222.57/x
  3. Step 3: Cross multiply
    29,653.99x = 40,920.75 × 16,222.57
  4. Step 4: Simplify right side
    29,653.99x = 663,839,629.03
  5. Step 5: Solve for x
    x = 663,839,629.03/29,653.99
  6. Step 6: Final answer
    x = 22,386.18

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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.