Home / 19,219.08-26,511.75-12,047.46

Finding the Fourth Proportional to 19,219.08, 26,511.75 and 12,047.46

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Solution

The fourth proportional to 19,219.08, 26,511.75 and 12,047.46 is: 16,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.08 : 26,511.75 = 12,047.46 : x
  2. Step 2: Convert to fraction form
    19,219.08/26,511.75 = 12,047.46/x
  3. Step 3: Cross multiply
    19,219.08x = 26,511.75 × 12,047.46
  4. Step 4: Simplify right side
    19,219.08x = 319,399,247.66
  5. Step 5: Solve for x
    x = 319,399,247.66/19,219.08
  6. Step 6: Final answer
    x = 16,618.86

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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.