Home / 13,964.84-19,291.07-12,703.67

Finding the Fourth Proportional to 13,964.84, 19,291.07 and 12,703.67

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Solution

The fourth proportional to 13,964.84, 19,291.07 and 12,703.67 is: 17,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.84 : 19,291.07 = 12,703.67 : x
  2. Step 2: Convert to fraction form
    13,964.84/19,291.07 = 12,703.67/x
  3. Step 3: Cross multiply
    13,964.84x = 19,291.07 × 12,703.67
  4. Step 4: Simplify right side
    13,964.84x = 245,067,227.25
  5. Step 5: Solve for x
    x = 245,067,227.25/13,964.84
  6. Step 6: Final answer
    x = 17,548.88

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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.