Home / 13,323.01-18,384.44-7,354.29

Finding the Fourth Proportional to 13,323.01, 18,384.44 and 7,354.29

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Solution

The fourth proportional to 13,323.01, 18,384.44 and 7,354.29 is: 10,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.01 : 18,384.44 = 7,354.29 : x
  2. Step 2: Convert to fraction form
    13,323.01/18,384.44 = 7,354.29/x
  3. Step 3: Cross multiply
    13,323.01x = 18,384.44 × 7,354.29
  4. Step 4: Simplify right side
    13,323.01x = 135,204,503.25
  5. Step 5: Solve for x
    x = 135,204,503.25/13,323.01
  6. Step 6: Final answer
    x = 10,148.19

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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.