Home / 13,913.56-19,086.36-13,160.32

Finding the Fourth Proportional to 13,913.56, 19,086.36 and 13,160.32

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Solution

The fourth proportional to 13,913.56, 19,086.36 and 13,160.32 is: 18,053.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.56 : 19,086.36 = 13,160.32 : x
  2. Step 2: Convert to fraction form
    13,913.56/19,086.36 = 13,160.32/x
  3. Step 3: Cross multiply
    13,913.56x = 19,086.36 × 13,160.32
  4. Step 4: Simplify right side
    13,913.56x = 251,182,605.24
  5. Step 5: Solve for x
    x = 251,182,605.24/13,913.56
  6. Step 6: Final answer
    x = 18,053.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.