Home / 13,956.45-19,259.69-7,668.69

Finding the Fourth Proportional to 13,956.45, 19,259.69 and 7,668.69

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Solution

The fourth proportional to 13,956.45, 19,259.69 and 7,668.69 is: 10,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.45 : 19,259.69 = 7,668.69 : x
  2. Step 2: Convert to fraction form
    13,956.45/19,259.69 = 7,668.69/x
  3. Step 3: Cross multiply
    13,956.45x = 19,259.69 × 7,668.69
  4. Step 4: Simplify right side
    13,956.45x = 147,696,553.76
  5. Step 5: Solve for x
    x = 147,696,553.76/13,956.45
  6. Step 6: Final answer
    x = 10,582.67

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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.