Home / 13,916.75-19,206.33-7,630.34

Finding the Fourth Proportional to 13,916.75, 19,206.33 and 7,630.34

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Solution

The fourth proportional to 13,916.75, 19,206.33 and 7,630.34 is: 10,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.75 : 19,206.33 = 7,630.34 : x
  2. Step 2: Convert to fraction form
    13,916.75/19,206.33 = 7,630.34/x
  3. Step 3: Cross multiply
    13,916.75x = 19,206.33 × 7,630.34
  4. Step 4: Simplify right side
    13,916.75x = 146,550,693.87
  5. Step 5: Solve for x
    x = 146,550,693.87/13,916.75
  6. Step 6: Final answer
    x = 10,530.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.