Home / 13,972.46-19,309.65-11,450.59

Finding the Fourth Proportional to 13,972.46, 19,309.65 and 11,450.59

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Solution

The fourth proportional to 13,972.46, 19,309.65 and 11,450.59 is: 15,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.46 : 19,309.65 = 11,450.59 : x
  2. Step 2: Convert to fraction form
    13,972.46/19,309.65 = 11,450.59/x
  3. Step 3: Cross multiply
    13,972.46x = 19,309.65 × 11,450.59
  4. Step 4: Simplify right side
    13,972.46x = 221,106,885.19
  5. Step 5: Solve for x
    x = 221,106,885.19/13,972.46
  6. Step 6: Final answer
    x = 15,824.48

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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.