Home / 14,558.52-20,070.40-12,311.36

Finding the Fourth Proportional to 14,558.52, 20,070.40 and 12,311.36

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Solution

The fourth proportional to 14,558.52, 20,070.40 and 12,311.36 is: 16,972.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.52 : 20,070.40 = 12,311.36 : x
  2. Step 2: Convert to fraction form
    14,558.52/20,070.40 = 12,311.36/x
  3. Step 3: Cross multiply
    14,558.52x = 20,070.40 × 12,311.36
  4. Step 4: Simplify right side
    14,558.52x = 247,093,919.74
  5. Step 5: Solve for x
    x = 247,093,919.74/14,558.52
  6. Step 6: Final answer
    x = 16,972.46

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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.