Home / 14,098.90-19,456.38-8,130.52

Finding the Fourth Proportional to 14,098.90, 19,456.38 and 8,130.52

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Solution

The fourth proportional to 14,098.90, 19,456.38 and 8,130.52 is: 11,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.90 : 19,456.38 = 8,130.52 : x
  2. Step 2: Convert to fraction form
    14,098.90/19,456.38 = 8,130.52/x
  3. Step 3: Cross multiply
    14,098.90x = 19,456.38 × 8,130.52
  4. Step 4: Simplify right side
    14,098.90x = 158,190,486.72
  5. Step 5: Solve for x
    x = 158,190,486.72/14,098.90
  6. Step 6: Final answer
    x = 11,220.06

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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.