Home / 14,415.59-21,631.50-7,842.26

Finding the Fourth Proportional to 14,415.59, 21,631.50 and 7,842.26

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Solution

The fourth proportional to 14,415.59, 21,631.50 and 7,842.26 is: 11,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.59 : 21,631.50 = 7,842.26 : x
  2. Step 2: Convert to fraction form
    14,415.59/21,631.50 = 7,842.26/x
  3. Step 3: Cross multiply
    14,415.59x = 21,631.50 × 7,842.26
  4. Step 4: Simplify right side
    14,415.59x = 169,639,739.03
  5. Step 5: Solve for x
    x = 169,639,739.03/14,415.59
  6. Step 6: Final answer
    x = 11,767.80

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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.