Home / 16,726.22-23,081.70-9,172.16

Finding the Fourth Proportional to 16,726.22, 23,081.70 and 9,172.16

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Solution

The fourth proportional to 16,726.22, 23,081.70 and 9,172.16 is: 12,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,726.22 : 23,081.70 = 9,172.16 : x
  2. Step 2: Convert to fraction form
    16,726.22/23,081.70 = 9,172.16/x
  3. Step 3: Cross multiply
    16,726.22x = 23,081.70 × 9,172.16
  4. Step 4: Simplify right side
    16,726.22x = 211,709,045.47
  5. Step 5: Solve for x
    x = 211,709,045.47/16,726.22
  6. Step 6: Final answer
    x = 12,657.32

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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.