Home / 13,967.90-20,947.34-4,605.74

Finding the Fourth Proportional to 13,967.90, 20,947.34 and 4,605.74

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Solution

The fourth proportional to 13,967.90, 20,947.34 and 4,605.74 is: 6,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.90 : 20,947.34 = 4,605.74 : x
  2. Step 2: Convert to fraction form
    13,967.90/20,947.34 = 4,605.74/x
  3. Step 3: Cross multiply
    13,967.90x = 20,947.34 × 4,605.74
  4. Step 4: Simplify right side
    13,967.90x = 96,477,896.99
  5. Step 5: Solve for x
    x = 96,477,896.99/13,967.90
  6. Step 6: Final answer
    x = 6,907.12

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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.