Home / 15,834.53-21,830.23-10,159.42

Finding the Fourth Proportional to 15,834.53, 21,830.23 and 10,159.42

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Solution

The fourth proportional to 15,834.53, 21,830.23 and 10,159.42 is: 14,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.53 : 21,830.23 = 10,159.42 : x
  2. Step 2: Convert to fraction form
    15,834.53/21,830.23 = 10,159.42/x
  3. Step 3: Cross multiply
    15,834.53x = 21,830.23 × 10,159.42
  4. Step 4: Simplify right side
    15,834.53x = 221,782,395.29
  5. Step 5: Solve for x
    x = 221,782,395.29/15,834.53
  6. Step 6: Final answer
    x = 14,006.25

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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.