Home / 17,806.86-26,684.78-9,999.27

Finding the Fourth Proportional to 17,806.86, 26,684.78 and 9,999.27

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Solution

The fourth proportional to 17,806.86, 26,684.78 and 9,999.27 is: 14,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806.86 : 26,684.78 = 9,999.27 : x
  2. Step 2: Convert to fraction form
    17,806.86/26,684.78 = 9,999.27/x
  3. Step 3: Cross multiply
    17,806.86x = 26,684.78 × 9,999.27
  4. Step 4: Simplify right side
    17,806.86x = 266,828,270.11
  5. Step 5: Solve for x
    x = 266,828,270.11/17,806.86
  6. Step 6: Final answer
    x = 14,984.58

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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.