Home / 12,955.96-19,429.16-4,633.76

Finding the Fourth Proportional to 12,955.96, 19,429.16 and 4,633.76

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Solution

The fourth proportional to 12,955.96, 19,429.16 and 4,633.76 is: 6,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.96 : 19,429.16 = 4,633.76 : x
  2. Step 2: Convert to fraction form
    12,955.96/19,429.16 = 4,633.76/x
  3. Step 3: Cross multiply
    12,955.96x = 19,429.16 × 4,633.76
  4. Step 4: Simplify right side
    12,955.96x = 90,030,064.44
  5. Step 5: Solve for x
    x = 90,030,064.44/12,955.96
  6. Step 6: Final answer
    x = 6,948.93

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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.