Home / 13,926.52-19,215.66-8,887.54

Finding the Fourth Proportional to 13,926.52, 19,215.66 and 8,887.54

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Solution

The fourth proportional to 13,926.52, 19,215.66 and 8,887.54 is: 12,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.52 : 19,215.66 = 8,887.54 : x
  2. Step 2: Convert to fraction form
    13,926.52/19,215.66 = 8,887.54/x
  3. Step 3: Cross multiply
    13,926.52x = 19,215.66 × 8,887.54
  4. Step 4: Simplify right side
    13,926.52x = 170,779,946.88
  5. Step 5: Solve for x
    x = 170,779,946.88/13,926.52
  6. Step 6: Final answer
    x = 12,262.93

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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.