Home / 46,013.21-69,021.35-12,730.49

Finding the Fourth Proportional to 46,013.21, 69,021.35 and 12,730.49

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Solution

The fourth proportional to 46,013.21, 69,021.35 and 12,730.49 is: 19,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,013.21 : 69,021.35 = 12,730.49 : x
  2. Step 2: Convert to fraction form
    46,013.21/69,021.35 = 12,730.49/x
  3. Step 3: Cross multiply
    46,013.21x = 69,021.35 × 12,730.49
  4. Step 4: Simplify right side
    46,013.21x = 878,675,605.96
  5. Step 5: Solve for x
    x = 878,675,605.96/46,013.21
  6. Step 6: Final answer
    x = 19,096.16

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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.