Home / 27,172.80-37,506.36-17,612.40

Finding the Fourth Proportional to 27,172.80, 37,506.36 and 17,612.40

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Solution

The fourth proportional to 27,172.80, 37,506.36 and 17,612.40 is: 24,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.80 : 37,506.36 = 17,612.40 : x
  2. Step 2: Convert to fraction form
    27,172.80/37,506.36 = 17,612.40/x
  3. Step 3: Cross multiply
    27,172.80x = 37,506.36 × 17,612.40
  4. Step 4: Simplify right side
    27,172.80x = 660,577,014.86
  5. Step 5: Solve for x
    x = 660,577,014.86/27,172.80
  6. Step 6: Final answer
    x = 24,310.23

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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.