Home / 14,555.80-21,822.90-5,786.20

Finding the Fourth Proportional to 14,555.80, 21,822.90 and 5,786.20

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Solution

The fourth proportional to 14,555.80, 21,822.90 and 5,786.20 is: 8,675.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.80 : 21,822.90 = 5,786.20 : x
  2. Step 2: Convert to fraction form
    14,555.80/21,822.90 = 5,786.20/x
  3. Step 3: Cross multiply
    14,555.80x = 21,822.90 × 5,786.20
  4. Step 4: Simplify right side
    14,555.80x = 126,271,663.98
  5. Step 5: Solve for x
    x = 126,271,663.98/14,555.80
  6. Step 6: Final answer
    x = 8,675.01

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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.