Home / 13,973.99-20,965.23-4,113.35

Finding the Fourth Proportional to 13,973.99, 20,965.23 and 4,113.35

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Solution

The fourth proportional to 13,973.99, 20,965.23 and 4,113.35 is: 6,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.99 : 20,965.23 = 4,113.35 : x
  2. Step 2: Convert to fraction form
    13,973.99/20,965.23 = 4,113.35/x
  3. Step 3: Cross multiply
    13,973.99x = 20,965.23 × 4,113.35
  4. Step 4: Simplify right side
    13,973.99x = 86,237,302.61
  5. Step 5: Solve for x
    x = 86,237,302.61/13,973.99
  6. Step 6: Final answer
    x = 6,171.27

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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.