Home / 15,980.79-23,956.61-5,586.87

Finding the Fourth Proportional to 15,980.79, 23,956.61 and 5,586.87

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Solution

The fourth proportional to 15,980.79, 23,956.61 and 5,586.87 is: 8,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.79 : 23,956.61 = 5,586.87 : x
  2. Step 2: Convert to fraction form
    15,980.79/23,956.61 = 5,586.87/x
  3. Step 3: Cross multiply
    15,980.79x = 23,956.61 × 5,586.87
  4. Step 4: Simplify right side
    15,980.79x = 133,842,437.78
  5. Step 5: Solve for x
    x = 133,842,437.78/15,980.79
  6. Step 6: Final answer
    x = 8,375.21

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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.