Home / 22,449.51-30,980.37-13,502.13

Finding the Fourth Proportional to 22,449.51, 30,980.37 and 13,502.13

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Solution

The fourth proportional to 22,449.51, 30,980.37 and 13,502.13 is: 18,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,449.51 : 30,980.37 = 13,502.13 : x
  2. Step 2: Convert to fraction form
    22,449.51/30,980.37 = 13,502.13/x
  3. Step 3: Cross multiply
    22,449.51x = 30,980.37 × 13,502.13
  4. Step 4: Simplify right side
    22,449.51x = 418,300,983.19
  5. Step 5: Solve for x
    x = 418,300,983.19/22,449.51
  6. Step 6: Final answer
    x = 18,632.97

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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.