Home / 17,354.16-23,936.40-11,978.64

Finding the Fourth Proportional to 17,354.16, 23,936.40 and 11,978.64

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Solution

The fourth proportional to 17,354.16, 23,936.40 and 11,978.64 is: 16,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,354.16 : 23,936.40 = 11,978.64 : x
  2. Step 2: Convert to fraction form
    17,354.16/23,936.40 = 11,978.64/x
  3. Step 3: Cross multiply
    17,354.16x = 23,936.40 × 11,978.64
  4. Step 4: Simplify right side
    17,354.16x = 286,725,518.50
  5. Step 5: Solve for x
    x = 286,725,518.50/17,354.16
  6. Step 6: Final answer
    x = 16,522.01

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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.