Home / 12,957.21-19,474.16-10,750.36

Finding the Fourth Proportional to 12,957.21, 19,474.16 and 10,750.36

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Solution

The fourth proportional to 12,957.21, 19,474.16 and 10,750.36 is: 16,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.21 : 19,474.16 = 10,750.36 : x
  2. Step 2: Convert to fraction form
    12,957.21/19,474.16 = 10,750.36/x
  3. Step 3: Cross multiply
    12,957.21x = 19,474.16 × 10,750.36
  4. Step 4: Simplify right side
    12,957.21x = 209,354,164.77
  5. Step 5: Solve for x
    x = 209,354,164.77/12,957.21
  6. Step 6: Final answer
    x = 16,157.35

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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.