Home / 14,292.92-21,437.84-4,931.87

Finding the Fourth Proportional to 14,292.92, 21,437.84 and 4,931.87

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Solution

The fourth proportional to 14,292.92, 21,437.84 and 4,931.87 is: 7,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.92 : 21,437.84 = 4,931.87 : x
  2. Step 2: Convert to fraction form
    14,292.92/21,437.84 = 4,931.87/x
  3. Step 3: Cross multiply
    14,292.92x = 21,437.84 × 4,931.87
  4. Step 4: Simplify right side
    14,292.92x = 105,728,742.26
  5. Step 5: Solve for x
    x = 105,728,742.26/14,292.92
  6. Step 6: Final answer
    x = 7,397.28

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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.