Home / 15,998.94-22,079.70-9,288.45

Finding the Fourth Proportional to 15,998.94, 22,079.70 and 9,288.45

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Solution

The fourth proportional to 15,998.94, 22,079.70 and 9,288.45 is: 12,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.94 : 22,079.70 = 9,288.45 : x
  2. Step 2: Convert to fraction form
    15,998.94/22,079.70 = 9,288.45/x
  3. Step 3: Cross multiply
    15,998.94x = 22,079.70 × 9,288.45
  4. Step 4: Simplify right side
    15,998.94x = 205,086,189.47
  5. Step 5: Solve for x
    x = 205,086,189.47/15,998.94
  6. Step 6: Final answer
    x = 12,818.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.