Home / 19,063.20-26,351.28-15,900.96

Finding the Fourth Proportional to 19,063.20, 26,351.28 and 15,900.96

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Solution

The fourth proportional to 19,063.20, 26,351.28 and 15,900.96 is: 21,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.20 : 26,351.28 = 15,900.96 : x
  2. Step 2: Convert to fraction form
    19,063.20/26,351.28 = 15,900.96/x
  3. Step 3: Cross multiply
    19,063.20x = 26,351.28 × 15,900.96
  4. Step 4: Simplify right side
    19,063.20x = 419,010,649.23
  5. Step 5: Solve for x
    x = 419,010,649.23/19,063.20
  6. Step 6: Final answer
    x = 21,980.08

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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.