Home / 14,795.90-22,205.63-7,780.03

Finding the Fourth Proportional to 14,795.90, 22,205.63 and 7,780.03

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Solution

The fourth proportional to 14,795.90, 22,205.63 and 7,780.03 is: 11,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.90 : 22,205.63 = 7,780.03 : x
  2. Step 2: Convert to fraction form
    14,795.90/22,205.63 = 7,780.03/x
  3. Step 3: Cross multiply
    14,795.90x = 22,205.63 × 7,780.03
  4. Step 4: Simplify right side
    14,795.90x = 172,760,373.15
  5. Step 5: Solve for x
    x = 172,760,373.15/14,795.90
  6. Step 6: Final answer
    x = 11,676.24

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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.