Home / 30,155.09-41,611.59-16,726.10

Finding the Fourth Proportional to 30,155.09, 41,611.59 and 16,726.10

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Solution

The fourth proportional to 30,155.09, 41,611.59 and 16,726.10 is: 23,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.09 : 41,611.59 = 16,726.10 : x
  2. Step 2: Convert to fraction form
    30,155.09/41,611.59 = 16,726.10/x
  3. Step 3: Cross multiply
    30,155.09x = 41,611.59 × 16,726.10
  4. Step 4: Simplify right side
    30,155.09x = 695,999,407.44
  5. Step 5: Solve for x
    x = 695,999,407.44/30,155.09
  6. Step 6: Final answer
    x = 23,080.66

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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.