Home / 14,421.67-19,902.09-8,373.33

Finding the Fourth Proportional to 14,421.67, 19,902.09 and 8,373.33

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Solution

The fourth proportional to 14,421.67, 19,902.09 and 8,373.33 is: 11,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.67 : 19,902.09 = 8,373.33 : x
  2. Step 2: Convert to fraction form
    14,421.67/19,902.09 = 8,373.33/x
  3. Step 3: Cross multiply
    14,421.67x = 19,902.09 × 8,373.33
  4. Step 4: Simplify right side
    14,421.67x = 166,646,798.66
  5. Step 5: Solve for x
    x = 166,646,798.66/14,421.67
  6. Step 6: Final answer
    x = 11,555.30

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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.