Home / 22,859.26-31,549.89-13,428.34

Finding the Fourth Proportional to 22,859.26, 31,549.89 and 13,428.34

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Solution

The fourth proportional to 22,859.26, 31,549.89 and 13,428.34 is: 18,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,859.26 : 31,549.89 = 13,428.34 : x
  2. Step 2: Convert to fraction form
    22,859.26/31,549.89 = 13,428.34/x
  3. Step 3: Cross multiply
    22,859.26x = 31,549.89 × 13,428.34
  4. Step 4: Simplify right side
    22,859.26x = 423,662,649.88
  5. Step 5: Solve for x
    x = 423,662,649.88/22,859.26
  6. Step 6: Final answer
    x = 18,533.52

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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.