Home / 25,425.45-38,087.10-14,315.49

Finding the Fourth Proportional to 25,425.45, 38,087.10 and 14,315.49

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Solution

The fourth proportional to 25,425.45, 38,087.10 and 14,315.49 is: 21,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,425.45 : 38,087.10 = 14,315.49 : x
  2. Step 2: Convert to fraction form
    25,425.45/38,087.10 = 14,315.49/x
  3. Step 3: Cross multiply
    25,425.45x = 38,087.10 × 14,315.49
  4. Step 4: Simplify right side
    25,425.45x = 545,235,499.18
  5. Step 5: Solve for x
    x = 545,235,499.18/25,425.45
  6. Step 6: Final answer
    x = 21,444.48

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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.