Home / 13,015.68-19,492.80-10,069.44

Finding the Fourth Proportional to 13,015.68, 19,492.80 and 10,069.44

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Solution

The fourth proportional to 13,015.68, 19,492.80 and 10,069.44 is: 15,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.68 : 19,492.80 = 10,069.44 : x
  2. Step 2: Convert to fraction form
    13,015.68/19,492.80 = 10,069.44/x
  3. Step 3: Cross multiply
    13,015.68x = 19,492.80 × 10,069.44
  4. Step 4: Simplify right side
    13,015.68x = 196,281,580.03
  5. Step 5: Solve for x
    x = 196,281,580.03/13,015.68
  6. Step 6: Final answer
    x = 15,080.39

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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.