Home / 42,912.02-64,352.23-14,824.87

Finding the Fourth Proportional to 42,912.02, 64,352.23 and 14,824.87

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Solution

The fourth proportional to 42,912.02, 64,352.23 and 14,824.87 is: 22,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912.02 : 64,352.23 = 14,824.87 : x
  2. Step 2: Convert to fraction form
    42,912.02/64,352.23 = 14,824.87/x
  3. Step 3: Cross multiply
    42,912.02x = 64,352.23 × 14,824.87
  4. Step 4: Simplify right side
    42,912.02x = 954,013,443.96
  5. Step 5: Solve for x
    x = 954,013,443.96/42,912.02
  6. Step 6: Final answer
    x = 22,231.85

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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.