Home / 27,106.80-37,406.04-15,170.16

Finding the Fourth Proportional to 27,106.80, 37,406.04 and 15,170.16

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Solution

The fourth proportional to 27,106.80, 37,406.04 and 15,170.16 is: 20,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.80 : 37,406.04 = 15,170.16 : x
  2. Step 2: Convert to fraction form
    27,106.80/37,406.04 = 15,170.16/x
  3. Step 3: Cross multiply
    27,106.80x = 37,406.04 × 15,170.16
  4. Step 4: Simplify right side
    27,106.80x = 567,455,611.77
  5. Step 5: Solve for x
    x = 567,455,611.77/27,106.80
  6. Step 6: Final answer
    x = 20,934.07

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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.