Home / 13,861.50-19,129.01-7,573.88

Finding the Fourth Proportional to 13,861.50, 19,129.01 and 7,573.88

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Solution

The fourth proportional to 13,861.50, 19,129.01 and 7,573.88 is: 10,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.50 : 19,129.01 = 7,573.88 : x
  2. Step 2: Convert to fraction form
    13,861.50/19,129.01 = 7,573.88/x
  3. Step 3: Cross multiply
    13,861.50x = 19,129.01 × 7,573.88
  4. Step 4: Simplify right side
    13,861.50x = 144,880,692.74
  5. Step 5: Solve for x
    x = 144,880,692.74/13,861.50
  6. Step 6: Final answer
    x = 10,452.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.