Home / 15,570.14-23,352.30-4,172.20

Finding the Fourth Proportional to 15,570.14, 23,352.30 and 4,172.20

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Solution

The fourth proportional to 15,570.14, 23,352.30 and 4,172.20 is: 6,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570.14 : 23,352.30 = 4,172.20 : x
  2. Step 2: Convert to fraction form
    15,570.14/23,352.30 = 4,172.20/x
  3. Step 3: Cross multiply
    15,570.14x = 23,352.30 × 4,172.20
  4. Step 4: Simplify right side
    15,570.14x = 97,430,589.48
  5. Step 5: Solve for x
    x = 97,430,589.48/15,570.14
  6. Step 6: Final answer
    x = 6,257.53

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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.