Home / 16,018.08-23,979.81-11,830.28

Finding the Fourth Proportional to 16,018.08, 23,979.81 and 11,830.28

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Solution

The fourth proportional to 16,018.08, 23,979.81 and 11,830.28 is: 17,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,018.08 : 23,979.81 = 11,830.28 : x
  2. Step 2: Convert to fraction form
    16,018.08/23,979.81 = 11,830.28/x
  3. Step 3: Cross multiply
    16,018.08x = 23,979.81 × 11,830.28
  4. Step 4: Simplify right side
    16,018.08x = 283,687,792.31
  5. Step 5: Solve for x
    x = 283,687,792.31/16,018.08
  6. Step 6: Final answer
    x = 17,710.47

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1.5x scale

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.