Home / 14,559.14-20,071.26-12,311.99

Finding the Fourth Proportional to 14,559.14, 20,071.26 and 12,311.99

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Solution

The fourth proportional to 14,559.14, 20,071.26 and 12,311.99 is: 16,973.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.14 : 20,071.26 = 12,311.99 : x
  2. Step 2: Convert to fraction form
    14,559.14/20,071.26 = 12,311.99/x
  3. Step 3: Cross multiply
    14,559.14x = 20,071.26 × 12,311.99
  4. Step 4: Simplify right side
    14,559.14x = 247,117,152.41
  5. Step 5: Solve for x
    x = 247,117,152.41/14,559.14
  6. Step 6: Final answer
    x = 16,973.34

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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.