Home / 13,460.61-20,190.96-6,530.25

Finding the Fourth Proportional to 13,460.61, 20,190.96 and 6,530.25

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Solution

The fourth proportional to 13,460.61, 20,190.96 and 6,530.25 is: 9,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.61 : 20,190.96 = 6,530.25 : x
  2. Step 2: Convert to fraction form
    13,460.61/20,190.96 = 6,530.25/x
  3. Step 3: Cross multiply
    13,460.61x = 20,190.96 × 6,530.25
  4. Step 4: Simplify right side
    13,460.61x = 131,852,016.54
  5. Step 5: Solve for x
    x = 131,852,016.54/13,460.61
  6. Step 6: Final answer
    x = 9,795.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.