Home / 22,688.27-31,305.22-13,255.01

Finding the Fourth Proportional to 22,688.27, 31,305.22 and 13,255.01

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Solution

The fourth proportional to 22,688.27, 31,305.22 and 13,255.01 is: 18,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,688.27 : 31,305.22 = 13,255.01 : x
  2. Step 2: Convert to fraction form
    22,688.27/31,305.22 = 13,255.01/x
  3. Step 3: Cross multiply
    22,688.27x = 31,305.22 × 13,255.01
  4. Step 4: Simplify right side
    22,688.27x = 414,950,814.49
  5. Step 5: Solve for x
    x = 414,950,814.49/22,688.27
  6. Step 6: Final answer
    x = 18,289.23

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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.