Home / 22,063.36-30,447.63-13,109.13

Finding the Fourth Proportional to 22,063.36, 30,447.63 and 13,109.13

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Solution

The fourth proportional to 22,063.36, 30,447.63 and 13,109.13 is: 18,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,063.36 : 30,447.63 = 13,109.13 : x
  2. Step 2: Convert to fraction form
    22,063.36/30,447.63 = 13,109.13/x
  3. Step 3: Cross multiply
    22,063.36x = 30,447.63 × 13,109.13
  4. Step 4: Simplify right side
    22,063.36x = 399,141,952.35
  5. Step 5: Solve for x
    x = 399,141,952.35/22,063.36
  6. Step 6: Final answer
    x = 18,090.72

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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.