Home / 37,088.88-55,642.07-12,128.83

Finding the Fourth Proportional to 37,088.88, 55,642.07 and 12,128.83

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Solution

The fourth proportional to 37,088.88, 55,642.07 and 12,128.83 is: 18,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,088.88 : 55,642.07 = 12,128.83 : x
  2. Step 2: Convert to fraction form
    37,088.88/55,642.07 = 12,128.83/x
  3. Step 3: Cross multiply
    37,088.88x = 55,642.07 × 12,128.83
  4. Step 4: Simplify right side
    37,088.88x = 674,873,008.13
  5. Step 5: Solve for x
    x = 674,873,008.13/37,088.88
  6. Step 6: Final answer
    x = 18,196.10

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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.