Home / 14,191.98-19,584.40-7,904.22

Finding the Fourth Proportional to 14,191.98, 19,584.40 and 7,904.22

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Solution

The fourth proportional to 14,191.98, 19,584.40 and 7,904.22 is: 10,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.98 : 19,584.40 = 7,904.22 : x
  2. Step 2: Convert to fraction form
    14,191.98/19,584.40 = 7,904.22/x
  3. Step 3: Cross multiply
    14,191.98x = 19,584.40 × 7,904.22
  4. Step 4: Simplify right side
    14,191.98x = 154,799,288.49
  5. Step 5: Solve for x
    x = 154,799,288.49/14,191.98
  6. Step 6: Final answer
    x = 10,907.52

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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.