Home / 43,828.50-65,709.93-14,228.67

Finding the Fourth Proportional to 43,828.50, 65,709.93 and 14,228.67

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Solution

The fourth proportional to 43,828.50, 65,709.93 and 14,228.67 is: 21,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,828.50 : 65,709.93 = 14,228.67 : x
  2. Step 2: Convert to fraction form
    43,828.50/65,709.93 = 14,228.67/x
  3. Step 3: Cross multiply
    43,828.50x = 65,709.93 × 14,228.67
  4. Step 4: Simplify right side
    43,828.50x = 934,964,909.69
  5. Step 5: Solve for x
    x = 934,964,909.69/43,828.50
  6. Step 6: Final answer
    x = 21,332.35

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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.