Home / 19,161.65-26,443.58-10,664.34

Finding the Fourth Proportional to 19,161.65, 26,443.58 and 10,664.34

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Solution

The fourth proportional to 19,161.65, 26,443.58 and 10,664.34 is: 14,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.65 : 26,443.58 = 10,664.34 : x
  2. Step 2: Convert to fraction form
    19,161.65/26,443.58 = 10,664.34/x
  3. Step 3: Cross multiply
    19,161.65x = 26,443.58 × 10,664.34
  4. Step 4: Simplify right side
    19,161.65x = 282,003,274.62
  5. Step 5: Solve for x
    x = 282,003,274.62/19,161.65
  6. Step 6: Final answer
    x = 14,717.07

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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.