Home / 45,525.07-68,285.18-13,935.15

Finding the Fourth Proportional to 45,525.07, 68,285.18 and 13,935.15

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Solution

The fourth proportional to 45,525.07, 68,285.18 and 13,935.15 is: 20,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,525.07 : 68,285.18 = 13,935.15 : x
  2. Step 2: Convert to fraction form
    45,525.07/68,285.18 = 13,935.15/x
  3. Step 3: Cross multiply
    45,525.07x = 68,285.18 × 13,935.15
  4. Step 4: Simplify right side
    45,525.07x = 951,564,311.07
  5. Step 5: Solve for x
    x = 951,564,311.07/45,525.07
  6. Step 6: Final answer
    x = 20,901.98

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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.