Home / 14,274.38-19,699.32-7,900.94

Finding the Fourth Proportional to 14,274.38, 19,699.32 and 7,900.94

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Solution

The fourth proportional to 14,274.38, 19,699.32 and 7,900.94 is: 10,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.38 : 19,699.32 = 7,900.94 : x
  2. Step 2: Convert to fraction form
    14,274.38/19,699.32 = 7,900.94/x
  3. Step 3: Cross multiply
    14,274.38x = 19,699.32 × 7,900.94
  4. Step 4: Simplify right side
    14,274.38x = 155,643,145.36
  5. Step 5: Solve for x
    x = 155,643,145.36/14,274.38
  6. Step 6: Final answer
    x = 10,903.67

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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.