Home / 13,814.54-19,061.92-7,763.58

Finding the Fourth Proportional to 13,814.54, 19,061.92 and 7,763.58

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Solution

The fourth proportional to 13,814.54, 19,061.92 and 7,763.58 is: 10,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.54 : 19,061.92 = 7,763.58 : x
  2. Step 2: Convert to fraction form
    13,814.54/19,061.92 = 7,763.58/x
  3. Step 3: Cross multiply
    13,814.54x = 19,061.92 × 7,763.58
  4. Step 4: Simplify right side
    13,814.54x = 147,988,740.87
  5. Step 5: Solve for x
    x = 147,988,740.87/13,814.54
  6. Step 6: Final answer
    x = 10,712.53

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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.