Home / 17,783.78-26,677.04-5,302.86

Finding the Fourth Proportional to 17,783.78, 26,677.04 and 5,302.86

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Solution

The fourth proportional to 17,783.78, 26,677.04 and 5,302.86 is: 7,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,783.78 : 26,677.04 = 5,302.86 : x
  2. Step 2: Convert to fraction form
    17,783.78/26,677.04 = 5,302.86/x
  3. Step 3: Cross multiply
    17,783.78x = 26,677.04 × 5,302.86
  4. Step 4: Simplify right side
    17,783.78x = 141,464,608.33
  5. Step 5: Solve for x
    x = 141,464,608.33/17,783.78
  6. Step 6: Final answer
    x = 7,954.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.