Home / 19,487.52-26,892.60-11,946.96

Finding the Fourth Proportional to 19,487.52, 26,892.60 and 11,946.96

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Solution

The fourth proportional to 19,487.52, 26,892.60 and 11,946.96 is: 16,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.52 : 26,892.60 = 11,946.96 : x
  2. Step 2: Convert to fraction form
    19,487.52/26,892.60 = 11,946.96/x
  3. Step 3: Cross multiply
    19,487.52x = 26,892.60 × 11,946.96
  4. Step 4: Simplify right side
    19,487.52x = 321,284,816.50
  5. Step 5: Solve for x
    x = 321,284,816.50/19,487.52
  6. Step 6: Final answer
    x = 16,486.70

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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.