Home / 19,088.06-28,639.37-10,777.46

Finding the Fourth Proportional to 19,088.06, 28,639.37 and 10,777.46

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Solution

The fourth proportional to 19,088.06, 28,639.37 and 10,777.46 is: 16,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.06 : 28,639.37 = 10,777.46 : x
  2. Step 2: Convert to fraction form
    19,088.06/28,639.37 = 10,777.46/x
  3. Step 3: Cross multiply
    19,088.06x = 28,639.37 × 10,777.46
  4. Step 4: Simplify right side
    19,088.06x = 308,659,548.35
  5. Step 5: Solve for x
    x = 308,659,548.35/19,088.06
  6. Step 6: Final answer
    x = 16,170.30

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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.