Home / 14,105.41-21,158.35-6,708.38

Finding the Fourth Proportional to 14,105.41, 21,158.35 and 6,708.38

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Solution

The fourth proportional to 14,105.41, 21,158.35 and 6,708.38 is: 10,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.41 : 21,158.35 = 6,708.38 : x
  2. Step 2: Convert to fraction form
    14,105.41/21,158.35 = 6,708.38/x
  3. Step 3: Cross multiply
    14,105.41x = 21,158.35 × 6,708.38
  4. Step 4: Simplify right side
    14,105.41x = 141,938,129.41
  5. Step 5: Solve for x
    x = 141,938,129.41/14,105.41
  6. Step 6: Final answer
    x = 10,062.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.