Home / 13,254.16-19,855.20-7,695.84

Finding the Fourth Proportional to 13,254.16, 19,855.20 and 7,695.84

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Solution

The fourth proportional to 13,254.16, 19,855.20 and 7,695.84 is: 11,528.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.16 : 19,855.20 = 7,695.84 : x
  2. Step 2: Convert to fraction form
    13,254.16/19,855.20 = 7,695.84/x
  3. Step 3: Cross multiply
    13,254.16x = 19,855.20 × 7,695.84
  4. Step 4: Simplify right side
    13,254.16x = 152,802,442.37
  5. Step 5: Solve for x
    x = 152,802,442.37/13,254.16
  6. Step 6: Final answer
    x = 11,528.64

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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.