Home / 19,331.22-28,994.70-9,440.52

Finding the Fourth Proportional to 19,331.22, 28,994.70 and 9,440.52

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Solution

The fourth proportional to 19,331.22, 28,994.70 and 9,440.52 is: 14,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.22 : 28,994.70 = 9,440.52 : x
  2. Step 2: Convert to fraction form
    19,331.22/28,994.70 = 9,440.52/x
  3. Step 3: Cross multiply
    19,331.22x = 28,994.70 × 9,440.52
  4. Step 4: Simplify right side
    19,331.22x = 273,725,045.24
  5. Step 5: Solve for x
    x = 273,725,045.24/19,331.22
  6. Step 6: Final answer
    x = 14,159.74

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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.