Home / 13,597.20-18,765.78-7,627.74

Finding the Fourth Proportional to 13,597.20, 18,765.78 and 7,627.74

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Solution

The fourth proportional to 13,597.20, 18,765.78 and 7,627.74 is: 10,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.20 : 18,765.78 = 7,627.74 : x
  2. Step 2: Convert to fraction form
    13,597.20/18,765.78 = 7,627.74/x
  3. Step 3: Cross multiply
    13,597.20x = 18,765.78 × 7,627.74
  4. Step 4: Simplify right side
    13,597.20x = 143,140,490.74
  5. Step 5: Solve for x
    x = 143,140,490.74/13,597.20
  6. Step 6: Final answer
    x = 10,527.20

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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.