Home / 13,157.36-19,734.24-4,392.08

Finding the Fourth Proportional to 13,157.36, 19,734.24 and 4,392.08

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Solution

The fourth proportional to 13,157.36, 19,734.24 and 4,392.08 is: 6,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.36 : 19,734.24 = 4,392.08 : x
  2. Step 2: Convert to fraction form
    13,157.36/19,734.24 = 4,392.08/x
  3. Step 3: Cross multiply
    13,157.36x = 19,734.24 × 4,392.08
  4. Step 4: Simplify right side
    13,157.36x = 86,674,360.82
  5. Step 5: Solve for x
    x = 86,674,360.82/13,157.36
  6. Step 6: Final answer
    x = 6,587.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.