Home / 14,215.50-21,308.90-5,900.12

Finding the Fourth Proportional to 14,215.50, 21,308.90 and 5,900.12

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Solution

The fourth proportional to 14,215.50, 21,308.90 and 5,900.12 is: 8,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.50 : 21,308.90 = 5,900.12 : x
  2. Step 2: Convert to fraction form
    14,215.50/21,308.90 = 5,900.12/x
  3. Step 3: Cross multiply
    14,215.50x = 21,308.90 × 5,900.12
  4. Step 4: Simplify right side
    14,215.50x = 125,724,967.59
  5. Step 5: Solve for x
    x = 125,724,967.59/14,215.50
  6. Step 6: Final answer
    x = 8,844.22

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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.