Home / 17,087.28-25,630.70-14,159.45

Finding the Fourth Proportional to 17,087.28, 25,630.70 and 14,159.45

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Solution

The fourth proportional to 17,087.28, 25,630.70 and 14,159.45 is: 21,238.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.28 : 25,630.70 = 14,159.45 : x
  2. Step 2: Convert to fraction form
    17,087.28/25,630.70 = 14,159.45/x
  3. Step 3: Cross multiply
    17,087.28x = 25,630.70 × 14,159.45
  4. Step 4: Simplify right side
    17,087.28x = 362,916,615.12
  5. Step 5: Solve for x
    x = 362,916,615.12/17,087.28
  6. Step 6: Final answer
    x = 21,238.99

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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.