Home / 13,946.24-20,922.48-4,712

Finding the Fourth Proportional to 13,946.24, 20,922.48 and 4,712

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Solution

The fourth proportional to 13,946.24, 20,922.48 and 4,712 is: 7,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.24 : 20,922.48 = 4,712 : x
  2. Step 2: Convert to fraction form
    13,946.24/20,922.48 = 4,712/x
  3. Step 3: Cross multiply
    13,946.24x = 20,922.48 × 4,712
  4. Step 4: Simplify right side
    13,946.24x = 98,586,725.76
  5. Step 5: Solve for x
    x = 98,586,725.76/13,946.24
  6. Step 6: Final answer
    x = 7,069.05

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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.