Home / 13,148.03-18,144.74-7,483.64

Finding the Fourth Proportional to 13,148.03, 18,144.74 and 7,483.64

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Solution

The fourth proportional to 13,148.03, 18,144.74 and 7,483.64 is: 10,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.03 : 18,144.74 = 7,483.64 : x
  2. Step 2: Convert to fraction form
    13,148.03/18,144.74 = 7,483.64/x
  3. Step 3: Cross multiply
    13,148.03x = 18,144.74 × 7,483.64
  4. Step 4: Simplify right side
    13,148.03x = 135,788,630.04
  5. Step 5: Solve for x
    x = 135,788,630.04/13,148.03
  6. Step 6: Final answer
    x = 10,327.68

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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.