Home / 31,665.56-47,535.15-18,527.36

Finding the Fourth Proportional to 31,665.56, 47,535.15 and 18,527.36

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Solution

The fourth proportional to 31,665.56, 47,535.15 and 18,527.36 is: 27,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665.56 : 47,535.15 = 18,527.36 : x
  2. Step 2: Convert to fraction form
    31,665.56/47,535.15 = 18,527.36/x
  3. Step 3: Cross multiply
    31,665.56x = 47,535.15 × 18,527.36
  4. Step 4: Simplify right side
    31,665.56x = 880,700,836.70
  5. Step 5: Solve for x
    x = 880,700,836.70/31,665.56
  6. Step 6: Final answer
    x = 27,812.58

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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.