Home / 19,194.88-28,800.64-9,342.72

Finding the Fourth Proportional to 19,194.88, 28,800.64 and 9,342.72

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Solution

The fourth proportional to 19,194.88, 28,800.64 and 9,342.72 is: 14,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.88 : 28,800.64 = 9,342.72 : x
  2. Step 2: Convert to fraction form
    19,194.88/28,800.64 = 9,342.72/x
  3. Step 3: Cross multiply
    19,194.88x = 28,800.64 × 9,342.72
  4. Step 4: Simplify right side
    19,194.88x = 269,076,315.34
  5. Step 5: Solve for x
    x = 269,076,315.34/19,194.88
  6. Step 6: Final answer
    x = 14,018.13

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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.