Home / 14,072.56-19,419.90-7,698.98

Finding the Fourth Proportional to 14,072.56, 19,419.90 and 7,698.98

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Solution

The fourth proportional to 14,072.56, 19,419.90 and 7,698.98 is: 10,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.56 : 19,419.90 = 7,698.98 : x
  2. Step 2: Convert to fraction form
    14,072.56/19,419.90 = 7,698.98/x
  3. Step 3: Cross multiply
    14,072.56x = 19,419.90 × 7,698.98
  4. Step 4: Simplify right side
    14,072.56x = 149,513,421.70
  5. Step 5: Solve for x
    x = 149,513,421.70/14,072.56
  6. Step 6: Final answer
    x = 10,624.47

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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.