Home / 14,849.48-20,492.38-8,135.72

Finding the Fourth Proportional to 14,849.48, 20,492.38 and 8,135.72

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Solution

The fourth proportional to 14,849.48, 20,492.38 and 8,135.72 is: 11,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.48 : 20,492.38 = 8,135.72 : x
  2. Step 2: Convert to fraction form
    14,849.48/20,492.38 = 8,135.72/x
  3. Step 3: Cross multiply
    14,849.48x = 20,492.38 × 8,135.72
  4. Step 4: Simplify right side
    14,849.48x = 166,720,265.81
  5. Step 5: Solve for x
    x = 166,720,265.81/14,849.48
  6. Step 6: Final answer
    x = 11,227.35

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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.