Home / 18,118.69-25,004.49-10,569.89

Finding the Fourth Proportional to 18,118.69, 25,004.49 and 10,569.89

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Solution

The fourth proportional to 18,118.69, 25,004.49 and 10,569.89 is: 14,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.69 : 25,004.49 = 10,569.89 : x
  2. Step 2: Convert to fraction form
    18,118.69/25,004.49 = 10,569.89/x
  3. Step 3: Cross multiply
    18,118.69x = 25,004.49 × 10,569.89
  4. Step 4: Simplify right side
    18,118.69x = 264,294,708.81
  5. Step 5: Solve for x
    x = 264,294,708.81/18,118.69
  6. Step 6: Final answer
    x = 14,586.86

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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.