Home / 16,802.83-23,189.66-12,603.79

Finding the Fourth Proportional to 16,802.83, 23,189.66 and 12,603.79

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Solution

The fourth proportional to 16,802.83, 23,189.66 and 12,603.79 is: 17,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.83 : 23,189.66 = 12,603.79 : x
  2. Step 2: Convert to fraction form
    16,802.83/23,189.66 = 12,603.79/x
  3. Step 3: Cross multiply
    16,802.83x = 23,189.66 × 12,603.79
  4. Step 4: Simplify right side
    16,802.83x = 292,277,604.81
  5. Step 5: Solve for x
    x = 292,277,604.81/16,802.83
  6. Step 6: Final answer
    x = 17,394.55

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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.