Home / 13,348.28-20,032.70-12,663.08

Finding the Fourth Proportional to 13,348.28, 20,032.70 and 12,663.08

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Solution

The fourth proportional to 13,348.28, 20,032.70 and 12,663.08 is: 19,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.28 : 20,032.70 = 12,663.08 : x
  2. Step 2: Convert to fraction form
    13,348.28/20,032.70 = 12,663.08/x
  3. Step 3: Cross multiply
    13,348.28x = 20,032.70 × 12,663.08
  4. Step 4: Simplify right side
    13,348.28x = 253,675,682.72
  5. Step 5: Solve for x
    x = 253,675,682.72/13,348.28
  6. Step 6: Final answer
    x = 19,004.37

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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.