Home / 19,419.32-26,798.34-10,805.18

Finding the Fourth Proportional to 19,419.32, 26,798.34 and 10,805.18

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Solution

The fourth proportional to 19,419.32, 26,798.34 and 10,805.18 is: 14,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.32 : 26,798.34 = 10,805.18 : x
  2. Step 2: Convert to fraction form
    19,419.32/26,798.34 = 10,805.18/x
  3. Step 3: Cross multiply
    19,419.32x = 26,798.34 × 10,805.18
  4. Step 4: Simplify right side
    19,419.32x = 289,560,887.40
  5. Step 5: Solve for x
    x = 289,560,887.40/19,419.32
  6. Step 6: Final answer
    x = 14,910.97

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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.