Home / 18,777.67-25,885.58-14,293.61

Finding the Fourth Proportional to 18,777.67, 25,885.58 and 14,293.61

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Solution

The fourth proportional to 18,777.67, 25,885.58 and 14,293.61 is: 19,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.67 : 25,885.58 = 14,293.61 : x
  2. Step 2: Convert to fraction form
    18,777.67/25,885.58 = 14,293.61/x
  3. Step 3: Cross multiply
    18,777.67x = 25,885.58 × 14,293.61
  4. Step 4: Simplify right side
    18,777.67x = 369,998,281.32
  5. Step 5: Solve for x
    x = 369,998,281.32/18,777.67
  6. Step 6: Final answer
    x = 19,704.17

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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.