Home / 14,078.60-19,428.22-8,110.25

Finding the Fourth Proportional to 14,078.60, 19,428.22 and 8,110.25

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Solution

The fourth proportional to 14,078.60, 19,428.22 and 8,110.25 is: 11,192.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.60 : 19,428.22 = 8,110.25 : x
  2. Step 2: Convert to fraction form
    14,078.60/19,428.22 = 8,110.25/x
  3. Step 3: Cross multiply
    14,078.60x = 19,428.22 × 8,110.25
  4. Step 4: Simplify right side
    14,078.60x = 157,567,721.26
  5. Step 5: Solve for x
    x = 157,567,721.26/14,078.60
  6. Step 6: Final answer
    x = 11,192.00

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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.