Home / 27,412.08-37,830.42-15,471.06

Finding the Fourth Proportional to 27,412.08, 37,830.42 and 15,471.06

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Solution

The fourth proportional to 27,412.08, 37,830.42 and 15,471.06 is: 21,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,412.08 : 37,830.42 = 15,471.06 : x
  2. Step 2: Convert to fraction form
    27,412.08/37,830.42 = 15,471.06/x
  3. Step 3: Cross multiply
    27,412.08x = 37,830.42 × 15,471.06
  4. Step 4: Simplify right side
    27,412.08x = 585,276,697.65
  5. Step 5: Solve for x
    x = 585,276,697.65/27,412.08
  6. Step 6: Final answer
    x = 21,351.05

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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.