Home / 13,771.04-19,003.52-7,483.20

Finding the Fourth Proportional to 13,771.04, 19,003.52 and 7,483.20

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Solution

The fourth proportional to 13,771.04, 19,003.52 and 7,483.20 is: 10,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.04 : 19,003.52 = 7,483.20 : x
  2. Step 2: Convert to fraction form
    13,771.04/19,003.52 = 7,483.20/x
  3. Step 3: Cross multiply
    13,771.04x = 19,003.52 × 7,483.20
  4. Step 4: Simplify right side
    13,771.04x = 142,207,140.86
  5. Step 5: Solve for x
    x = 142,207,140.86/13,771.04
  6. Step 6: Final answer
    x = 10,326.54

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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.