Home / 15,814.58-23,721.90-10,869.26

Finding the Fourth Proportional to 15,814.58, 23,721.90 and 10,869.26

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Solution

The fourth proportional to 15,814.58, 23,721.90 and 10,869.26 is: 16,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.58 : 23,721.90 = 10,869.26 : x
  2. Step 2: Convert to fraction form
    15,814.58/23,721.90 = 10,869.26/x
  3. Step 3: Cross multiply
    15,814.58x = 23,721.90 × 10,869.26
  4. Step 4: Simplify right side
    15,814.58x = 257,839,498.79
  5. Step 5: Solve for x
    x = 257,839,498.79/15,814.58
  6. Step 6: Final answer
    x = 16,303.91

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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.