Home / 14,326.48-19,771.32-8,038.72

Finding the Fourth Proportional to 14,326.48, 19,771.32 and 8,038.72

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Solution

The fourth proportional to 14,326.48, 19,771.32 and 8,038.72 is: 11,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326.48 : 19,771.32 = 8,038.72 : x
  2. Step 2: Convert to fraction form
    14,326.48/19,771.32 = 8,038.72/x
  3. Step 3: Cross multiply
    14,326.48x = 19,771.32 × 8,038.72
  4. Step 4: Simplify right side
    14,326.48x = 158,936,105.51
  5. Step 5: Solve for x
    x = 158,936,105.51/14,326.48
  6. Step 6: Final answer
    x = 11,093.87

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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.