Home / 13,818.26-19,062.05-9,343.59

Finding the Fourth Proportional to 13,818.26, 19,062.05 and 9,343.59

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Solution

The fourth proportional to 13,818.26, 19,062.05 and 9,343.59 is: 12,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.26 : 19,062.05 = 9,343.59 : x
  2. Step 2: Convert to fraction form
    13,818.26/19,062.05 = 9,343.59/x
  3. Step 3: Cross multiply
    13,818.26x = 19,062.05 × 9,343.59
  4. Step 4: Simplify right side
    13,818.26x = 178,107,933.04
  5. Step 5: Solve for x
    x = 178,107,933.04/13,818.26
  6. Step 6: Final answer
    x = 12,889.32

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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.