Home / 13,570.18-20,352.83-4,805.14

Finding the Fourth Proportional to 13,570.18, 20,352.83 and 4,805.14

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Solution

The fourth proportional to 13,570.18, 20,352.83 and 4,805.14 is: 7,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.18 : 20,352.83 = 4,805.14 : x
  2. Step 2: Convert to fraction form
    13,570.18/20,352.83 = 4,805.14/x
  3. Step 3: Cross multiply
    13,570.18x = 20,352.83 × 4,805.14
  4. Step 4: Simplify right side
    13,570.18x = 97,798,197.55
  5. Step 5: Solve for x
    x = 97,798,197.55/13,570.18
  6. Step 6: Final answer
    x = 7,206.85

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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.