Home / 13,292.52-18,343.44-7,627.02

Finding the Fourth Proportional to 13,292.52, 18,343.44 and 7,627.02

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Solution

The fourth proportional to 13,292.52, 18,343.44 and 7,627.02 is: 10,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.52 : 18,343.44 = 7,627.02 : x
  2. Step 2: Convert to fraction form
    13,292.52/18,343.44 = 7,627.02/x
  3. Step 3: Cross multiply
    13,292.52x = 18,343.44 × 7,627.02
  4. Step 4: Simplify right side
    13,292.52x = 139,905,783.75
  5. Step 5: Solve for x
    x = 139,905,783.75/13,292.52
  6. Step 6: Final answer
    x = 10,525.15

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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.