Home / 14,986.32-20,768.57-14,774.91

Finding the Fourth Proportional to 14,986.32, 20,768.57 and 14,774.91

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Solution

The fourth proportional to 14,986.32, 20,768.57 and 14,774.91 is: 20,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.32 : 20,768.57 = 14,774.91 : x
  2. Step 2: Convert to fraction form
    14,986.32/20,768.57 = 14,774.91/x
  3. Step 3: Cross multiply
    14,986.32x = 20,768.57 × 14,774.91
  4. Step 4: Simplify right side
    14,986.32x = 306,853,656.23
  5. Step 5: Solve for x
    x = 306,853,656.23/14,986.32
  6. Step 6: Final answer
    x = 20,475.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.