Home / 14,185.94-19,570.40-9,937.74

Finding the Fourth Proportional to 14,185.94, 19,570.40 and 9,937.74

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Solution

The fourth proportional to 14,185.94, 19,570.40 and 9,937.74 is: 13,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.94 : 19,570.40 = 9,937.74 : x
  2. Step 2: Convert to fraction form
    14,185.94/19,570.40 = 9,937.74/x
  3. Step 3: Cross multiply
    14,185.94x = 19,570.40 × 9,937.74
  4. Step 4: Simplify right side
    14,185.94x = 194,485,546.90
  5. Step 5: Solve for x
    x = 194,485,546.90/14,185.94
  6. Step 6: Final answer
    x = 13,709.74

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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.