Home / 14,057.64-19,399.02-7,770.12

Finding the Fourth Proportional to 14,057.64, 19,399.02 and 7,770.12

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Solution

The fourth proportional to 14,057.64, 19,399.02 and 7,770.12 is: 10,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.64 : 19,399.02 = 7,770.12 : x
  2. Step 2: Convert to fraction form
    14,057.64/19,399.02 = 7,770.12/x
  3. Step 3: Cross multiply
    14,057.64x = 19,399.02 × 7,770.12
  4. Step 4: Simplify right side
    14,057.64x = 150,732,713.28
  5. Step 5: Solve for x
    x = 150,732,713.28/14,057.64
  6. Step 6: Final answer
    x = 10,722.48

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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.