Home / 14,044.40-20,938.80-12,466.67

Finding the Fourth Proportional to 14,044.40, 20,938.80 and 12,466.67

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Solution

The fourth proportional to 14,044.40, 20,938.80 and 12,466.67 is: 18,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.40 : 20,938.80 = 12,466.67 : x
  2. Step 2: Convert to fraction form
    14,044.40/20,938.80 = 12,466.67/x
  3. Step 3: Cross multiply
    14,044.40x = 20,938.80 × 12,466.67
  4. Step 4: Simplify right side
    14,044.40x = 261,037,109.80
  5. Step 5: Solve for x
    x = 261,037,109.80/14,044.40
  6. Step 6: Final answer
    x = 18,586.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.