Home / 12,473.36-18,706.32-10,276.64

Finding the Fourth Proportional to 12,473.36, 18,706.32 and 10,276.64

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Solution

The fourth proportional to 12,473.36, 18,706.32 and 10,276.64 is: 15,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.36 : 18,706.32 = 10,276.64 : x
  2. Step 2: Convert to fraction form
    12,473.36/18,706.32 = 10,276.64/x
  3. Step 3: Cross multiply
    12,473.36x = 18,706.32 × 10,276.64
  4. Step 4: Simplify right side
    12,473.36x = 192,238,116.36
  5. Step 5: Solve for x
    x = 192,238,116.36/12,473.36
  6. Step 6: Final answer
    x = 15,411.90

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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.