Home / 46,509.20-69,763.79-13,677.20

Finding the Fourth Proportional to 46,509.20, 69,763.79 and 13,677.20

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Solution

The fourth proportional to 46,509.20, 69,763.79 and 13,677.20 is: 20,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,509.20 : 69,763.79 = 13,677.20 : x
  2. Step 2: Convert to fraction form
    46,509.20/69,763.79 = 13,677.20/x
  3. Step 3: Cross multiply
    46,509.20x = 69,763.79 × 13,677.20
  4. Step 4: Simplify right side
    46,509.20x = 954,172,891.38
  5. Step 5: Solve for x
    x = 954,172,891.38/46,509.20
  6. Step 6: Final answer
    x = 20,515.79

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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.