Home / 14,849.60-20,492.54-8,135.29

Finding the Fourth Proportional to 14,849.60, 20,492.54 and 8,135.29

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Solution

The fourth proportional to 14,849.60, 20,492.54 and 8,135.29 is: 11,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.60 : 20,492.54 = 8,135.29 : x
  2. Step 2: Convert to fraction form
    14,849.60/20,492.54 = 8,135.29/x
  3. Step 3: Cross multiply
    14,849.60x = 20,492.54 × 8,135.29
  4. Step 4: Simplify right side
    14,849.60x = 166,712,724.84
  5. Step 5: Solve for x
    x = 166,712,724.84/14,849.60
  6. Step 6: Final answer
    x = 11,226.75

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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.