Home / 14,660.48-21,999.72-12,225.44

Finding the Fourth Proportional to 14,660.48, 21,999.72 and 12,225.44

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Solution

The fourth proportional to 14,660.48, 21,999.72 and 12,225.44 is: 18,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.48 : 21,999.72 = 12,225.44 : x
  2. Step 2: Convert to fraction form
    14,660.48/21,999.72 = 12,225.44/x
  3. Step 3: Cross multiply
    14,660.48x = 21,999.72 × 12,225.44
  4. Step 4: Simplify right side
    14,660.48x = 268,956,256.88
  5. Step 5: Solve for x
    x = 268,956,256.88/14,660.48
  6. Step 6: Final answer
    x = 18,345.67

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1.5x scale

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.