Home / 20,495.01-28,284.76-11,541.98

Finding the Fourth Proportional to 20,495.01, 28,284.76 and 11,541.98

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Solution

The fourth proportional to 20,495.01, 28,284.76 and 11,541.98 is: 15,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495.01 : 28,284.76 = 11,541.98 : x
  2. Step 2: Convert to fraction form
    20,495.01/28,284.76 = 11,541.98/x
  3. Step 3: Cross multiply
    20,495.01x = 28,284.76 × 11,541.98
  4. Step 4: Simplify right side
    20,495.01x = 326,462,134.22
  5. Step 5: Solve for x
    x = 326,462,134.22/20,495.01
  6. Step 6: Final answer
    x = 15,928.86

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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.