Home / 14,271.42-21,392.54-4,908.64

Finding the Fourth Proportional to 14,271.42, 21,392.54 and 4,908.64

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Solution

The fourth proportional to 14,271.42, 21,392.54 and 4,908.64 is: 7,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.42 : 21,392.54 = 4,908.64 : x
  2. Step 2: Convert to fraction form
    14,271.42/21,392.54 = 4,908.64/x
  3. Step 3: Cross multiply
    14,271.42x = 21,392.54 × 4,908.64
  4. Step 4: Simplify right side
    14,271.42x = 105,008,277.55
  5. Step 5: Solve for x
    x = 105,008,277.55/14,271.42
  6. Step 6: Final answer
    x = 7,357.94

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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.