Home / 18,428.62-25,430.80-10,044.94

Finding the Fourth Proportional to 18,428.62, 25,430.80 and 10,044.94

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Solution

The fourth proportional to 18,428.62, 25,430.80 and 10,044.94 is: 13,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.62 : 25,430.80 = 10,044.94 : x
  2. Step 2: Convert to fraction form
    18,428.62/25,430.80 = 10,044.94/x
  3. Step 3: Cross multiply
    18,428.62x = 25,430.80 × 10,044.94
  4. Step 4: Simplify right side
    18,428.62x = 255,450,860.15
  5. Step 5: Solve for x
    x = 255,450,860.15/18,428.62
  6. Step 6: Final answer
    x = 13,861.64

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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.