Home / 53,195.20-79,792.80-18,174.40

Finding the Fourth Proportional to 53,195.20, 79,792.80 and 18,174.40

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Solution

The fourth proportional to 53,195.20, 79,792.80 and 18,174.40 is: 27,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,195.20 : 79,792.80 = 18,174.40 : x
  2. Step 2: Convert to fraction form
    53,195.20/79,792.80 = 18,174.40/x
  3. Step 3: Cross multiply
    53,195.20x = 79,792.80 × 18,174.40
  4. Step 4: Simplify right side
    53,195.20x = 1,450,186,264.32
  5. Step 5: Solve for x
    x = 1,450,186,264.32/53,195.20
  6. Step 6: Final answer
    x = 27,261.60

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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.