Home / 25,368.99-38,061.59-12,222.69

Finding the Fourth Proportional to 25,368.99, 38,061.59 and 12,222.69

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Solution

The fourth proportional to 25,368.99, 38,061.59 and 12,222.69 is: 18,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.99 : 38,061.59 = 12,222.69 : x
  2. Step 2: Convert to fraction form
    25,368.99/38,061.59 = 12,222.69/x
  3. Step 3: Cross multiply
    25,368.99x = 38,061.59 × 12,222.69
  4. Step 4: Simplify right side
    25,368.99x = 465,214,954.36
  5. Step 5: Solve for x
    x = 465,214,954.36/25,368.99
  6. Step 6: Final answer
    x = 18,337.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.