Home / 14,058.36-19,399.86-7,770.60

Finding the Fourth Proportional to 14,058.36, 19,399.86 and 7,770.60

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Solution

The fourth proportional to 14,058.36, 19,399.86 and 7,770.60 is: 10,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.36 : 19,399.86 = 7,770.60 : x
  2. Step 2: Convert to fraction form
    14,058.36/19,399.86 = 7,770.60/x
  3. Step 3: Cross multiply
    14,058.36x = 19,399.86 × 7,770.60
  4. Step 4: Simplify right side
    14,058.36x = 150,748,552.12
  5. Step 5: Solve for x
    x = 150,748,552.12/14,058.36
  6. Step 6: Final answer
    x = 10,723.05

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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.