Home / 14,063.64-19,407.30-7,776.12

Finding the Fourth Proportional to 14,063.64, 19,407.30 and 7,776.12

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Solution

The fourth proportional to 14,063.64, 19,407.30 and 7,776.12 is: 10,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063.64 : 19,407.30 = 7,776.12 : x
  2. Step 2: Convert to fraction form
    14,063.64/19,407.30 = 7,776.12/x
  3. Step 3: Cross multiply
    14,063.64x = 19,407.30 × 7,776.12
  4. Step 4: Simplify right side
    14,063.64x = 150,913,493.68
  5. Step 5: Solve for x
    x = 150,913,493.68/14,063.64
  6. Step 6: Final answer
    x = 10,730.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.