Home / 46,191.47-69,287.31-12,911.47

Finding the Fourth Proportional to 46,191.47, 69,287.31 and 12,911.47

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Solution

The fourth proportional to 46,191.47, 69,287.31 and 12,911.47 is: 19,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,191.47 : 69,287.31 = 12,911.47 : x
  2. Step 2: Convert to fraction form
    46,191.47/69,287.31 = 12,911.47/x
  3. Step 3: Cross multiply
    46,191.47x = 69,287.31 × 12,911.47
  4. Step 4: Simplify right side
    46,191.47x = 894,600,851.23
  5. Step 5: Solve for x
    x = 894,600,851.23/46,191.47
  6. Step 6: Final answer
    x = 19,367.23

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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.