Home / 14,069.81-21,104.93-3,681.56

Finding the Fourth Proportional to 14,069.81, 21,104.93 and 3,681.56

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Solution

The fourth proportional to 14,069.81, 21,104.93 and 3,681.56 is: 5,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.81 : 21,104.93 = 3,681.56 : x
  2. Step 2: Convert to fraction form
    14,069.81/21,104.93 = 3,681.56/x
  3. Step 3: Cross multiply
    14,069.81x = 21,104.93 × 3,681.56
  4. Step 4: Simplify right side
    14,069.81x = 77,699,128.06
  5. Step 5: Solve for x
    x = 77,699,128.06/14,069.81
  6. Step 6: Final answer
    x = 5,522.40

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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.