Home / 14,788.24-20,407.56-8,073.76

Finding the Fourth Proportional to 14,788.24, 20,407.56 and 8,073.76

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Solution

The fourth proportional to 14,788.24, 20,407.56 and 8,073.76 is: 11,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.24 : 20,407.56 = 8,073.76 : x
  2. Step 2: Convert to fraction form
    14,788.24/20,407.56 = 8,073.76/x
  3. Step 3: Cross multiply
    14,788.24x = 20,407.56 × 8,073.76
  4. Step 4: Simplify right side
    14,788.24x = 164,765,741.63
  5. Step 5: Solve for x
    x = 164,765,741.63/14,788.24
  6. Step 6: Final answer
    x = 11,141.67

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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.