Home / 35,138.22-52,728.12-12,967.04

Finding the Fourth Proportional to 35,138.22, 52,728.12 and 12,967.04

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Solution

The fourth proportional to 35,138.22, 52,728.12 and 12,967.04 is: 19,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.22 : 52,728.12 = 12,967.04 : x
  2. Step 2: Convert to fraction form
    35,138.22/52,728.12 = 12,967.04/x
  3. Step 3: Cross multiply
    35,138.22x = 52,728.12 × 12,967.04
  4. Step 4: Simplify right side
    35,138.22x = 683,727,377.52
  5. Step 5: Solve for x
    x = 683,727,377.52/35,138.22
  6. Step 6: Final answer
    x = 19,458.22

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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.