Home / 18,312.46-27,470.70-5,829.56

Finding the Fourth Proportional to 18,312.46, 27,470.70 and 5,829.56

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Solution

The fourth proportional to 18,312.46, 27,470.70 and 5,829.56 is: 8,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.46 : 27,470.70 = 5,829.56 : x
  2. Step 2: Convert to fraction form
    18,312.46/27,470.70 = 5,829.56/x
  3. Step 3: Cross multiply
    18,312.46x = 27,470.70 × 5,829.56
  4. Step 4: Simplify right side
    18,312.46x = 160,142,130.39
  5. Step 5: Solve for x
    x = 160,142,130.39/18,312.46
  6. Step 6: Final answer
    x = 8,744.98

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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.