Home / 14,191.06-19,579.56-9,158.20

Finding the Fourth Proportional to 14,191.06, 19,579.56 and 9,158.20

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Solution

The fourth proportional to 14,191.06, 19,579.56 and 9,158.20 is: 12,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.06 : 19,579.56 = 9,158.20 : x
  2. Step 2: Convert to fraction form
    14,191.06/19,579.56 = 9,158.20/x
  3. Step 3: Cross multiply
    14,191.06x = 19,579.56 × 9,158.20
  4. Step 4: Simplify right side
    14,191.06x = 179,313,526.39
  5. Step 5: Solve for x
    x = 179,313,526.39/14,191.06
  6. Step 6: Final answer
    x = 12,635.67

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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.