Home / 13,766.70-19,001.09-9,051.42

Finding the Fourth Proportional to 13,766.70, 19,001.09 and 9,051.42

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Solution

The fourth proportional to 13,766.70, 19,001.09 and 9,051.42 is: 12,492.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.70 : 19,001.09 = 9,051.42 : x
  2. Step 2: Convert to fraction form
    13,766.70/19,001.09 = 9,051.42/x
  3. Step 3: Cross multiply
    13,766.70x = 19,001.09 × 9,051.42
  4. Step 4: Simplify right side
    13,766.70x = 171,986,800.79
  5. Step 5: Solve for x
    x = 171,986,800.79/13,766.70
  6. Step 6: Final answer
    x = 12,492.96

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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.