Home / 25,445.98-38,119.77-14,318.86

Finding the Fourth Proportional to 25,445.98, 38,119.77 and 14,318.86

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Solution

The fourth proportional to 25,445.98, 38,119.77 and 14,318.86 is: 21,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.98 : 38,119.77 = 14,318.86 : x
  2. Step 2: Convert to fraction form
    25,445.98/38,119.77 = 14,318.86/x
  3. Step 3: Cross multiply
    25,445.98x = 38,119.77 × 14,318.86
  4. Step 4: Simplify right side
    25,445.98x = 545,831,649.86
  5. Step 5: Solve for x
    x = 545,831,649.86/25,445.98
  6. Step 6: Final answer
    x = 21,450.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.