Home / 14,415.93-21,609.05-5,528.84

Finding the Fourth Proportional to 14,415.93, 21,609.05 and 5,528.84

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Solution

The fourth proportional to 14,415.93, 21,609.05 and 5,528.84 is: 8,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.93 : 21,609.05 = 5,528.84 : x
  2. Step 2: Convert to fraction form
    14,415.93/21,609.05 = 5,528.84/x
  3. Step 3: Cross multiply
    14,415.93x = 21,609.05 × 5,528.84
  4. Step 4: Simplify right side
    14,415.93x = 119,472,844.31
  5. Step 5: Solve for x
    x = 119,472,844.31/14,415.93
  6. Step 6: Final answer
    x = 8,287.56

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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.