Home / 17,254.84-25,857.65-13,728.98

Finding the Fourth Proportional to 17,254.84, 25,857.65 and 13,728.98

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Solution

The fourth proportional to 17,254.84, 25,857.65 and 13,728.98 is: 20,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,254.84 : 25,857.65 = 13,728.98 : x
  2. Step 2: Convert to fraction form
    17,254.84/25,857.65 = 13,728.98/x
  3. Step 3: Cross multiply
    17,254.84x = 25,857.65 × 13,728.98
  4. Step 4: Simplify right side
    17,254.84x = 354,999,159.70
  5. Step 5: Solve for x
    x = 354,999,159.70/17,254.84
  6. Step 6: Final answer
    x = 20,573.89

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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.