Home / 16,782.36-23,159.28-9,125.47

Finding the Fourth Proportional to 16,782.36, 23,159.28 and 9,125.47

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Solution

The fourth proportional to 16,782.36, 23,159.28 and 9,125.47 is: 12,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.36 : 23,159.28 = 9,125.47 : x
  2. Step 2: Convert to fraction form
    16,782.36/23,159.28 = 9,125.47/x
  3. Step 3: Cross multiply
    16,782.36x = 23,159.28 × 9,125.47
  4. Step 4: Simplify right side
    16,782.36x = 211,339,153.44
  5. Step 5: Solve for x
    x = 211,339,153.44/16,782.36
  6. Step 6: Final answer
    x = 12,592.94

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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.