Home / 14,835.96-20,472.83-8,460.85

Finding the Fourth Proportional to 14,835.96, 20,472.83 and 8,460.85

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Solution

The fourth proportional to 14,835.96, 20,472.83 and 8,460.85 is: 11,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.96 : 20,472.83 = 8,460.85 : x
  2. Step 2: Convert to fraction form
    14,835.96/20,472.83 = 8,460.85/x
  3. Step 3: Cross multiply
    14,835.96x = 20,472.83 × 8,460.85
  4. Step 4: Simplify right side
    14,835.96x = 173,217,543.71
  5. Step 5: Solve for x
    x = 173,217,543.71/14,835.96
  6. Step 6: Final answer
    x = 11,675.52

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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.