Home / 46,451.90-69,673.10-12,720.92

Finding the Fourth Proportional to 46,451.90, 69,673.10 and 12,720.92

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Solution

The fourth proportional to 46,451.90, 69,673.10 and 12,720.92 is: 19,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,451.90 : 69,673.10 = 12,720.92 : x
  2. Step 2: Convert to fraction form
    46,451.90/69,673.10 = 12,720.92/x
  3. Step 3: Cross multiply
    46,451.90x = 69,673.10 × 12,720.92
  4. Step 4: Simplify right side
    46,451.90x = 886,305,519.28
  5. Step 5: Solve for x
    x = 886,305,519.28/46,451.90
  6. Step 6: Final answer
    x = 19,080.07

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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.