Home / 19,108.02-28,632.73-8,008.63

Finding the Fourth Proportional to 19,108.02, 28,632.73 and 8,008.63

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Solution

The fourth proportional to 19,108.02, 28,632.73 and 8,008.63 is: 12,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.02 : 28,632.73 = 8,008.63 : x
  2. Step 2: Convert to fraction form
    19,108.02/28,632.73 = 8,008.63/x
  3. Step 3: Cross multiply
    19,108.02x = 28,632.73 × 8,008.63
  4. Step 4: Simplify right side
    19,108.02x = 229,308,940.46
  5. Step 5: Solve for x
    x = 229,308,940.46/19,108.02
  6. Step 6: Final answer
    x = 12,000.66

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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.