Home / 14,736.96-20,317.50-12,209.76

Finding the Fourth Proportional to 14,736.96, 20,317.50 and 12,209.76

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Solution

The fourth proportional to 14,736.96, 20,317.50 and 12,209.76 is: 16,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.96 : 20,317.50 = 12,209.76 : x
  2. Step 2: Convert to fraction form
    14,736.96/20,317.50 = 12,209.76/x
  3. Step 3: Cross multiply
    14,736.96x = 20,317.50 × 12,209.76
  4. Step 4: Simplify right side
    14,736.96x = 248,071,798.80
  5. Step 5: Solve for x
    x = 248,071,798.80/14,736.96
  6. Step 6: Final answer
    x = 16,833.31

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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.