Home / 14,160.78-19,538.40-8,495.94

Finding the Fourth Proportional to 14,160.78, 19,538.40 and 8,495.94

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Solution

The fourth proportional to 14,160.78, 19,538.40 and 8,495.94 is: 11,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.78 : 19,538.40 = 8,495.94 : x
  2. Step 2: Convert to fraction form
    14,160.78/19,538.40 = 8,495.94/x
  3. Step 3: Cross multiply
    14,160.78x = 19,538.40 × 8,495.94
  4. Step 4: Simplify right side
    14,160.78x = 165,997,074.10
  5. Step 5: Solve for x
    x = 165,997,074.10/14,160.78
  6. Step 6: Final answer
    x = 11,722.31

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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.