Home / 30,155.42-41,615.15-16,726.24

Finding the Fourth Proportional to 30,155.42, 41,615.15 and 16,726.24

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Solution

The fourth proportional to 30,155.42, 41,615.15 and 16,726.24 is: 23,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.42 : 41,615.15 = 16,726.24 : x
  2. Step 2: Convert to fraction form
    30,155.42/41,615.15 = 16,726.24/x
  3. Step 3: Cross multiply
    30,155.42x = 41,615.15 × 16,726.24
  4. Step 4: Simplify right side
    30,155.42x = 696,064,694.83
  5. Step 5: Solve for x
    x = 696,064,694.83/30,155.42
  6. Step 6: Final answer
    x = 23,082.57

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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.