Home / 12,829.24-19,225.90-9,706.69

Finding the Fourth Proportional to 12,829.24, 19,225.90 and 9,706.69

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Solution

The fourth proportional to 12,829.24, 19,225.90 and 9,706.69 is: 14,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829.24 : 19,225.90 = 9,706.69 : x
  2. Step 2: Convert to fraction form
    12,829.24/19,225.90 = 9,706.69/x
  3. Step 3: Cross multiply
    12,829.24x = 19,225.90 × 9,706.69
  4. Step 4: Simplify right side
    12,829.24x = 186,619,851.27
  5. Step 5: Solve for x
    x = 186,619,851.27/12,829.24
  6. Step 6: Final answer
    x = 14,546.45

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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.