Home / 18,965.70-26,172.65-10,582.20

Finding the Fourth Proportional to 18,965.70, 26,172.65 and 10,582.20

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Solution

The fourth proportional to 18,965.70, 26,172.65 and 10,582.20 is: 14,603.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.70 : 26,172.65 = 10,582.20 : x
  2. Step 2: Convert to fraction form
    18,965.70/26,172.65 = 10,582.20/x
  3. Step 3: Cross multiply
    18,965.70x = 26,172.65 × 10,582.20
  4. Step 4: Simplify right side
    18,965.70x = 276,964,216.83
  5. Step 5: Solve for x
    x = 276,964,216.83/18,965.70
  6. Step 6: Final answer
    x = 14,603.43

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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.