Home / 46,479.06-69,728.49-13,209.30

Finding the Fourth Proportional to 46,479.06, 69,728.49 and 13,209.30

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Solution

The fourth proportional to 46,479.06, 69,728.49 and 13,209.30 is: 19,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,479.06 : 69,728.49 = 13,209.30 : x
  2. Step 2: Convert to fraction form
    46,479.06/69,728.49 = 13,209.30/x
  3. Step 3: Cross multiply
    46,479.06x = 69,728.49 × 13,209.30
  4. Step 4: Simplify right side
    46,479.06x = 921,064,542.96
  5. Step 5: Solve for x
    x = 921,064,542.96/46,479.06
  6. Step 6: Final answer
    x = 19,816.76

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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.