Home / 14,819.39-20,450.70-8,013.36

Finding the Fourth Proportional to 14,819.39, 20,450.70 and 8,013.36

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Solution

The fourth proportional to 14,819.39, 20,450.70 and 8,013.36 is: 11,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.39 : 20,450.70 = 8,013.36 : x
  2. Step 2: Convert to fraction form
    14,819.39/20,450.70 = 8,013.36/x
  3. Step 3: Cross multiply
    14,819.39x = 20,450.70 × 8,013.36
  4. Step 4: Simplify right side
    14,819.39x = 163,878,774.71
  5. Step 5: Solve for x
    x = 163,878,774.71/14,819.39
  6. Step 6: Final answer
    x = 11,058.41

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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.