Home / 34,728.04-47,924.64-18,812.55

Finding the Fourth Proportional to 34,728.04, 47,924.64 and 18,812.55

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Solution

The fourth proportional to 34,728.04, 47,924.64 and 18,812.55 is: 25,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,728.04 : 47,924.64 = 18,812.55 : x
  2. Step 2: Convert to fraction form
    34,728.04/47,924.64 = 18,812.55/x
  3. Step 3: Cross multiply
    34,728.04x = 47,924.64 × 18,812.55
  4. Step 4: Simplify right side
    34,728.04x = 901,584,613.45
  5. Step 5: Solve for x
    x = 901,584,613.45/34,728.04
  6. Step 6: Final answer
    x = 25,961.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.