Home / 39,084.66-58,605.12-12,782.34

Finding the Fourth Proportional to 39,084.66, 58,605.12 and 12,782.34

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Solution

The fourth proportional to 39,084.66, 58,605.12 and 12,782.34 is: 19,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,084.66 : 58,605.12 = 12,782.34 : x
  2. Step 2: Convert to fraction form
    39,084.66/58,605.12 = 12,782.34/x
  3. Step 3: Cross multiply
    39,084.66x = 58,605.12 × 12,782.34
  4. Step 4: Simplify right side
    39,084.66x = 749,110,569.58
  5. Step 5: Solve for x
    x = 749,110,569.58/39,084.66
  6. Step 6: Final answer
    x = 19,166.36

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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.