Home / 13,636.82-20,466.16-7,064.88

Finding the Fourth Proportional to 13,636.82, 20,466.16 and 7,064.88

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Solution

The fourth proportional to 13,636.82, 20,466.16 and 7,064.88 is: 10,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.82 : 20,466.16 = 7,064.88 : x
  2. Step 2: Convert to fraction form
    13,636.82/20,466.16 = 7,064.88/x
  3. Step 3: Cross multiply
    13,636.82x = 20,466.16 × 7,064.88
  4. Step 4: Simplify right side
    13,636.82x = 144,590,964.46
  5. Step 5: Solve for x
    x = 144,590,964.46/13,636.82
  6. Step 6: Final answer
    x = 10,602.98

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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.