Home / 13,263.90-19,896.07-4,499.04

Finding the Fourth Proportional to 13,263.90, 19,896.07 and 4,499.04

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Solution

The fourth proportional to 13,263.90, 19,896.07 and 4,499.04 is: 6,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.90 : 19,896.07 = 4,499.04 : x
  2. Step 2: Convert to fraction form
    13,263.90/19,896.07 = 4,499.04/x
  3. Step 3: Cross multiply
    13,263.90x = 19,896.07 × 4,499.04
  4. Step 4: Simplify right side
    13,263.90x = 89,513,214.77
  5. Step 5: Solve for x
    x = 89,513,214.77/13,263.90
  6. Step 6: Final answer
    x = 6,748.63

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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.