Home / 17,319.16-23,891.88-10,857.64

Finding the Fourth Proportional to 17,319.16, 23,891.88 and 10,857.64

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Solution

The fourth proportional to 17,319.16, 23,891.88 and 10,857.64 is: 14,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.16 : 23,891.88 = 10,857.64 : x
  2. Step 2: Convert to fraction form
    17,319.16/23,891.88 = 10,857.64/x
  3. Step 3: Cross multiply
    17,319.16x = 23,891.88 × 10,857.64
  4. Step 4: Simplify right side
    17,319.16x = 259,409,312.50
  5. Step 5: Solve for x
    x = 259,409,312.50/17,319.16
  6. Step 6: Final answer
    x = 14,978.17

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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.