Home / 19,210.00-28,808.06-8,117.54

Finding the Fourth Proportional to 19,210.00, 28,808.06 and 8,117.54

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Solution

The fourth proportional to 19,210.00, 28,808.06 and 8,117.54 is: 12,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.00 : 28,808.06 = 8,117.54 : x
  2. Step 2: Convert to fraction form
    19,210.00/28,808.06 = 8,117.54/x
  3. Step 3: Cross multiply
    19,210.00x = 28,808.06 × 8,117.54
  4. Step 4: Simplify right side
    19,210.00x = 233,850,671.69
  5. Step 5: Solve for x
    x = 233,850,671.69/19,210.00
  6. Step 6: Final answer
    x = 12,173.38

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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.