Home / 25,131.46-34,670.80-15,056.68

Finding the Fourth Proportional to 25,131.46, 34,670.80 and 15,056.68

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Solution

The fourth proportional to 25,131.46, 34,670.80 and 15,056.68 is: 20,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,131.46 : 34,670.80 = 15,056.68 : x
  2. Step 2: Convert to fraction form
    25,131.46/34,670.80 = 15,056.68/x
  3. Step 3: Cross multiply
    25,131.46x = 34,670.80 × 15,056.68
  4. Step 4: Simplify right side
    25,131.46x = 522,026,892.31
  5. Step 5: Solve for x
    x = 522,026,892.31/25,131.46
  6. Step 6: Final answer
    x = 20,771.85

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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.