Home / 26,221.13-36,185.40-14,890.86

Finding the Fourth Proportional to 26,221.13, 36,185.40 and 14,890.86

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Solution

The fourth proportional to 26,221.13, 36,185.40 and 14,890.86 is: 20,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,221.13 : 36,185.40 = 14,890.86 : x
  2. Step 2: Convert to fraction form
    26,221.13/36,185.40 = 14,890.86/x
  3. Step 3: Cross multiply
    26,221.13x = 36,185.40 × 14,890.86
  4. Step 4: Simplify right side
    26,221.13x = 538,831,672.21
  5. Step 5: Solve for x
    x = 538,831,672.21/26,221.13
  6. Step 6: Final answer
    x = 20,549.53

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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.