Home / 14,655.03-20,224.03-7,940.70

Finding the Fourth Proportional to 14,655.03, 20,224.03 and 7,940.70

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Solution

The fourth proportional to 14,655.03, 20,224.03 and 7,940.70 is: 10,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.03 : 20,224.03 = 7,940.70 : x
  2. Step 2: Convert to fraction form
    14,655.03/20,224.03 = 7,940.70/x
  3. Step 3: Cross multiply
    14,655.03x = 20,224.03 × 7,940.70
  4. Step 4: Simplify right side
    14,655.03x = 160,592,985.73
  5. Step 5: Solve for x
    x = 160,592,985.73/14,655.03
  6. Step 6: Final answer
    x = 10,958.22

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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.