Home / 74,263.24-111,394.62-18,859.24

Finding the Fourth Proportional to 74,263.24, 111,394.62 and 18,859.24

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Solution

The fourth proportional to 74,263.24, 111,394.62 and 18,859.24 is: 28,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,263.24 : 111,394.62 = 18,859.24 : x
  2. Step 2: Convert to fraction form
    74,263.24/111,394.62 = 18,859.24/x
  3. Step 3: Cross multiply
    74,263.24x = 111,394.62 × 18,859.24
  4. Step 4: Simplify right side
    74,263.24x = 2,100,817,873.29
  5. Step 5: Solve for x
    x = 2,100,817,873.29/74,263.24
  6. Step 6: Final answer
    x = 28,288.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.