Home / 19,047.96-28,539.42-13,492.08

Finding the Fourth Proportional to 19,047.96, 28,539.42 and 13,492.08

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Solution

The fourth proportional to 19,047.96, 28,539.42 and 13,492.08 is: 20,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.96 : 28,539.42 = 13,492.08 : x
  2. Step 2: Convert to fraction form
    19,047.96/28,539.42 = 13,492.08/x
  3. Step 3: Cross multiply
    19,047.96x = 28,539.42 × 13,492.08
  4. Step 4: Simplify right side
    19,047.96x = 385,056,137.79
  5. Step 5: Solve for x
    x = 385,056,137.79/19,047.96
  6. Step 6: Final answer
    x = 20,215.09

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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.