Home / 14,709.30-20,309.40-9,051.66

Finding the Fourth Proportional to 14,709.30, 20,309.40 and 9,051.66

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Solution

The fourth proportional to 14,709.30, 20,309.40 and 9,051.66 is: 12,497.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,709.30 : 20,309.40 = 9,051.66 : x
  2. Step 2: Convert to fraction form
    14,709.30/20,309.40 = 9,051.66/x
  3. Step 3: Cross multiply
    14,709.30x = 20,309.40 × 9,051.66
  4. Step 4: Simplify right side
    14,709.30x = 183,833,783.60
  5. Step 5: Solve for x
    x = 183,833,783.60/14,709.30
  6. Step 6: Final answer
    x = 12,497.79

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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.