Home / 14,590.28-20,133.75-8,622.50

Finding the Fourth Proportional to 14,590.28, 20,133.75 and 8,622.50

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Solution

The fourth proportional to 14,590.28, 20,133.75 and 8,622.50 is: 11,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.28 : 20,133.75 = 8,622.50 : x
  2. Step 2: Convert to fraction form
    14,590.28/20,133.75 = 8,622.50/x
  3. Step 3: Cross multiply
    14,590.28x = 20,133.75 × 8,622.50
  4. Step 4: Simplify right side
    14,590.28x = 173,603,266.54
  5. Step 5: Solve for x
    x = 173,603,266.54/14,590.28
  6. Step 6: Final answer
    x = 11,898.56

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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.