Home / 13,020.18-19,528.41-4,699.05

Finding the Fourth Proportional to 13,020.18, 19,528.41 and 4,699.05

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Solution

The fourth proportional to 13,020.18, 19,528.41 and 4,699.05 is: 7,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.18 : 19,528.41 = 4,699.05 : x
  2. Step 2: Convert to fraction form
    13,020.18/19,528.41 = 4,699.05/x
  3. Step 3: Cross multiply
    13,020.18x = 19,528.41 × 4,699.05
  4. Step 4: Simplify right side
    13,020.18x = 91,764,975.01
  5. Step 5: Solve for x
    x = 91,764,975.01/13,020.18
  6. Step 6: Final answer
    x = 7,047.90

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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.