Home / 13,439.66-20,159.58-7,594.89

Finding the Fourth Proportional to 13,439.66, 20,159.58 and 7,594.89

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Solution

The fourth proportional to 13,439.66, 20,159.58 and 7,594.89 is: 11,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439.66 : 20,159.58 = 7,594.89 : x
  2. Step 2: Convert to fraction form
    13,439.66/20,159.58 = 7,594.89/x
  3. Step 3: Cross multiply
    13,439.66x = 20,159.58 × 7,594.89
  4. Step 4: Simplify right side
    13,439.66x = 153,109,792.55
  5. Step 5: Solve for x
    x = 153,109,792.55/13,439.66
  6. Step 6: Final answer
    x = 11,392.39

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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.