Home / 17,353.65-23,935.69-11,978.16

Finding the Fourth Proportional to 17,353.65, 23,935.69 and 11,978.16

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Solution

The fourth proportional to 17,353.65, 23,935.69 and 11,978.16 is: 16,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,353.65 : 23,935.69 = 11,978.16 : x
  2. Step 2: Convert to fraction form
    17,353.65/23,935.69 = 11,978.16/x
  3. Step 3: Cross multiply
    17,353.65x = 23,935.69 × 11,978.16
  4. Step 4: Simplify right side
    17,353.65x = 286,705,524.53
  5. Step 5: Solve for x
    x = 286,705,524.53/17,353.65
  6. Step 6: Final answer
    x = 16,521.34

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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.