Home / 13,577.16-18,734.58-7,608.36

Finding the Fourth Proportional to 13,577.16, 18,734.58 and 7,608.36

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Solution

The fourth proportional to 13,577.16, 18,734.58 and 7,608.36 is: 10,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.16 : 18,734.58 = 7,608.36 : x
  2. Step 2: Convert to fraction form
    13,577.16/18,734.58 = 7,608.36/x
  3. Step 3: Cross multiply
    13,577.16x = 18,734.58 × 7,608.36
  4. Step 4: Simplify right side
    13,577.16x = 142,539,429.09
  5. Step 5: Solve for x
    x = 142,539,429.09/13,577.16
  6. Step 6: Final answer
    x = 10,498.47

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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.