Home / 15,672.37-23,510.75-4,579.87

Finding the Fourth Proportional to 15,672.37, 23,510.75 and 4,579.87

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Solution

The fourth proportional to 15,672.37, 23,510.75 and 4,579.87 is: 6,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.37 : 23,510.75 = 4,579.87 : x
  2. Step 2: Convert to fraction form
    15,672.37/23,510.75 = 4,579.87/x
  3. Step 3: Cross multiply
    15,672.37x = 23,510.75 × 4,579.87
  4. Step 4: Simplify right side
    15,672.37x = 107,676,178.60
  5. Step 5: Solve for x
    x = 107,676,178.60/15,672.37
  6. Step 6: Final answer
    x = 6,870.45

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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.