Home / 39,795.62-59,680.56-13,135.62

Finding the Fourth Proportional to 39,795.62, 59,680.56 and 13,135.62

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Solution

The fourth proportional to 39,795.62, 59,680.56 and 13,135.62 is: 19,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,795.62 : 59,680.56 = 13,135.62 : x
  2. Step 2: Convert to fraction form
    39,795.62/59,680.56 = 13,135.62/x
  3. Step 3: Cross multiply
    39,795.62x = 59,680.56 × 13,135.62
  4. Step 4: Simplify right side
    39,795.62x = 783,941,157.55
  5. Step 5: Solve for x
    x = 783,941,157.55/39,795.62
  6. Step 6: Final answer
    x = 19,699.18

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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.