Home / 13,861.03-19,128.23-7,573.41

Finding the Fourth Proportional to 13,861.03, 19,128.23 and 7,573.41

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Solution

The fourth proportional to 13,861.03, 19,128.23 and 7,573.41 is: 10,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.03 : 19,128.23 = 7,573.41 : x
  2. Step 2: Convert to fraction form
    13,861.03/19,128.23 = 7,573.41/x
  3. Step 3: Cross multiply
    13,861.03x = 19,128.23 × 7,573.41
  4. Step 4: Simplify right side
    13,861.03x = 144,865,818.77
  5. Step 5: Solve for x
    x = 144,865,818.77/13,861.03
  6. Step 6: Final answer
    x = 10,451.30

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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.