Home / 14,447.40-21,669.15-4,587.67

Finding the Fourth Proportional to 14,447.40, 21,669.15 and 4,587.67

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Solution

The fourth proportional to 14,447.40, 21,669.15 and 4,587.67 is: 6,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.40 : 21,669.15 = 4,587.67 : x
  2. Step 2: Convert to fraction form
    14,447.40/21,669.15 = 4,587.67/x
  3. Step 3: Cross multiply
    14,447.40x = 21,669.15 × 4,587.67
  4. Step 4: Simplify right side
    14,447.40x = 99,410,909.38
  5. Step 5: Solve for x
    x = 99,410,909.38/14,447.40
  6. Step 6: Final answer
    x = 6,880.89

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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.