Home / 14,094.04-19,449.39-7,720.60

Finding the Fourth Proportional to 14,094.04, 19,449.39 and 7,720.60

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Solution

The fourth proportional to 14,094.04, 19,449.39 and 7,720.60 is: 10,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.04 : 19,449.39 = 7,720.60 : x
  2. Step 2: Convert to fraction form
    14,094.04/19,449.39 = 7,720.60/x
  3. Step 3: Cross multiply
    14,094.04x = 19,449.39 × 7,720.60
  4. Step 4: Simplify right side
    14,094.04x = 150,160,960.43
  5. Step 5: Solve for x
    x = 150,160,960.43/14,094.04
  6. Step 6: Final answer
    x = 10,654.22

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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.