Home / 13,867.70-20,801.55-4,007.30

Finding the Fourth Proportional to 13,867.70, 20,801.55 and 4,007.30

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Solution

The fourth proportional to 13,867.70, 20,801.55 and 4,007.30 is: 6,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.70 : 20,801.55 = 4,007.30 : x
  2. Step 2: Convert to fraction form
    13,867.70/20,801.55 = 4,007.30/x
  3. Step 3: Cross multiply
    13,867.70x = 20,801.55 × 4,007.30
  4. Step 4: Simplify right side
    13,867.70x = 83,358,051.32
  5. Step 5: Solve for x
    x = 83,358,051.32/13,867.70
  6. Step 6: Final answer
    x = 6,010.95

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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.