Home / 18,154.48-27,213.36-7,054.24

Finding the Fourth Proportional to 18,154.48, 27,213.36 and 7,054.24

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Solution

The fourth proportional to 18,154.48, 27,213.36 and 7,054.24 is: 10,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.48 : 27,213.36 = 7,054.24 : x
  2. Step 2: Convert to fraction form
    18,154.48/27,213.36 = 7,054.24/x
  3. Step 3: Cross multiply
    18,154.48x = 27,213.36 × 7,054.24
  4. Step 4: Simplify right side
    18,154.48x = 191,969,572.65
  5. Step 5: Solve for x
    x = 191,969,572.65/18,154.48
  6. Step 6: Final answer
    x = 10,574.23

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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.