Home / 19,118.63-26,383.70-10,621.22

Finding the Fourth Proportional to 19,118.63, 26,383.70 and 10,621.22

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Solution

The fourth proportional to 19,118.63, 26,383.70 and 10,621.22 is: 14,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.63 : 26,383.70 = 10,621.22 : x
  2. Step 2: Convert to fraction form
    19,118.63/26,383.70 = 10,621.22/x
  3. Step 3: Cross multiply
    19,118.63x = 26,383.70 × 10,621.22
  4. Step 4: Simplify right side
    19,118.63x = 280,226,897.09
  5. Step 5: Solve for x
    x = 280,226,897.09/19,118.63
  6. Step 6: Final answer
    x = 14,657.27

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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.