Home / 28,498.06-42,758.46-11,869.56

Finding the Fourth Proportional to 28,498.06, 42,758.46 and 11,869.56

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Solution

The fourth proportional to 28,498.06, 42,758.46 and 11,869.56 is: 17,809.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,498.06 : 42,758.46 = 11,869.56 : x
  2. Step 2: Convert to fraction form
    28,498.06/42,758.46 = 11,869.56/x
  3. Step 3: Cross multiply
    28,498.06x = 42,758.46 × 11,869.56
  4. Step 4: Simplify right side
    28,498.06x = 507,524,106.48
  5. Step 5: Solve for x
    x = 507,524,106.48/28,498.06
  6. Step 6: Final answer
    x = 17,809.08

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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.