Home / 27,151.40-37,486.42-22,127.64

Finding the Fourth Proportional to 27,151.40, 37,486.42 and 22,127.64

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Solution

The fourth proportional to 27,151.40, 37,486.42 and 22,127.64 is: 30,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.40 : 37,486.42 = 22,127.64 : x
  2. Step 2: Convert to fraction form
    27,151.40/37,486.42 = 22,127.64/x
  3. Step 3: Cross multiply
    27,151.40x = 37,486.42 × 22,127.64
  4. Step 4: Simplify right side
    27,151.40x = 829,486,006.65
  5. Step 5: Solve for x
    x = 829,486,006.65/27,151.40
  6. Step 6: Final answer
    x = 30,550.40

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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.