Home / 22,656.34-31,263.46-13,230.37

Finding the Fourth Proportional to 22,656.34, 31,263.46 and 13,230.37

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Solution

The fourth proportional to 22,656.34, 31,263.46 and 13,230.37 is: 18,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.34 : 31,263.46 = 13,230.37 : x
  2. Step 2: Convert to fraction form
    22,656.34/31,263.46 = 13,230.37/x
  3. Step 3: Cross multiply
    22,656.34x = 31,263.46 × 13,230.37
  4. Step 4: Simplify right side
    22,656.34x = 413,627,143.28
  5. Step 5: Solve for x
    x = 413,627,143.28/22,656.34
  6. Step 6: Final answer
    x = 18,256.57

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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.