Home / 14,659.40-21,988.91-3,566.09

Finding the Fourth Proportional to 14,659.40, 21,988.91 and 3,566.09

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Solution

The fourth proportional to 14,659.40, 21,988.91 and 3,566.09 is: 5,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.40 : 21,988.91 = 3,566.09 : x
  2. Step 2: Convert to fraction form
    14,659.40/21,988.91 = 3,566.09/x
  3. Step 3: Cross multiply
    14,659.40x = 21,988.91 × 3,566.09
  4. Step 4: Simplify right side
    14,659.40x = 78,414,482.58
  5. Step 5: Solve for x
    x = 78,414,482.58/14,659.40
  6. Step 6: Final answer
    x = 5,349.09

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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.