Home / 14,099.30-19,457.03-7,811.67

Finding the Fourth Proportional to 14,099.30, 19,457.03 and 7,811.67

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Solution

The fourth proportional to 14,099.30, 19,457.03 and 7,811.67 is: 10,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.30 : 19,457.03 = 7,811.67 : x
  2. Step 2: Convert to fraction form
    14,099.30/19,457.03 = 7,811.67/x
  3. Step 3: Cross multiply
    14,099.30x = 19,457.03 × 7,811.67
  4. Step 4: Simplify right side
    14,099.30x = 151,991,858.48
  5. Step 5: Solve for x
    x = 151,991,858.48/14,099.30
  6. Step 6: Final answer
    x = 10,780.10

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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.