Home / 14,557.18-20,087.58-8,182.30

Finding the Fourth Proportional to 14,557.18, 20,087.58 and 8,182.30

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Solution

The fourth proportional to 14,557.18, 20,087.58 and 8,182.30 is: 11,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.18 : 20,087.58 = 8,182.30 : x
  2. Step 2: Convert to fraction form
    14,557.18/20,087.58 = 8,182.30/x
  3. Step 3: Cross multiply
    14,557.18x = 20,087.58 × 8,182.30
  4. Step 4: Simplify right side
    14,557.18x = 164,362,605.83
  5. Step 5: Solve for x
    x = 164,362,605.83/14,557.18
  6. Step 6: Final answer
    x = 11,290.83

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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.