Home / 16,866.36-23,224.05-15,284.16

Finding the Fourth Proportional to 16,866.36, 23,224.05 and 15,284.16

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Solution

The fourth proportional to 16,866.36, 23,224.05 and 15,284.16 is: 21,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.36 : 23,224.05 = 15,284.16 : x
  2. Step 2: Convert to fraction form
    16,866.36/23,224.05 = 15,284.16/x
  3. Step 3: Cross multiply
    16,866.36x = 23,224.05 × 15,284.16
  4. Step 4: Simplify right side
    16,866.36x = 354,960,096.05
  5. Step 5: Solve for x
    x = 354,960,096.05/16,866.36
  6. Step 6: Final answer
    x = 21,045.45

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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.