Home / 20,038.56-27,651.60-11,541.36

Finding the Fourth Proportional to 20,038.56, 27,651.60 and 11,541.36

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Solution

The fourth proportional to 20,038.56, 27,651.60 and 11,541.36 is: 15,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.56 : 27,651.60 = 11,541.36 : x
  2. Step 2: Convert to fraction form
    20,038.56/27,651.60 = 11,541.36/x
  3. Step 3: Cross multiply
    20,038.56x = 27,651.60 × 11,541.36
  4. Step 4: Simplify right side
    20,038.56x = 319,137,070.18
  5. Step 5: Solve for x
    x = 319,137,070.18/20,038.56
  6. Step 6: Final answer
    x = 15,926.15

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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.