Home / 22,683.24-31,291.38-14,729.88

Finding the Fourth Proportional to 22,683.24, 31,291.38 and 14,729.88

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Solution

The fourth proportional to 22,683.24, 31,291.38 and 14,729.88 is: 20,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,683.24 : 31,291.38 = 14,729.88 : x
  2. Step 2: Convert to fraction form
    22,683.24/31,291.38 = 14,729.88/x
  3. Step 3: Cross multiply
    22,683.24x = 31,291.38 × 14,729.88
  4. Step 4: Simplify right side
    22,683.24x = 460,918,272.43
  5. Step 5: Solve for x
    x = 460,918,272.43/22,683.24
  6. Step 6: Final answer
    x = 20,319.77

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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.