Home / 13,042.68-19,559.37-4,720.53

Finding the Fourth Proportional to 13,042.68, 19,559.37 and 4,720.53

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Solution

The fourth proportional to 13,042.68, 19,559.37 and 4,720.53 is: 7,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.68 : 19,559.37 = 4,720.53 : x
  2. Step 2: Convert to fraction form
    13,042.68/19,559.37 = 4,720.53/x
  3. Step 3: Cross multiply
    13,042.68x = 19,559.37 × 4,720.53
  4. Step 4: Simplify right side
    13,042.68x = 92,330,592.87
  5. Step 5: Solve for x
    x = 92,330,592.87/13,042.68
  6. Step 6: Final answer
    x = 7,079.11

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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.