Home / 15,472.95-23,202.30-8,455.32

Finding the Fourth Proportional to 15,472.95, 23,202.30 and 8,455.32

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Solution

The fourth proportional to 15,472.95, 23,202.30 and 8,455.32 is: 12,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.95 : 23,202.30 = 8,455.32 : x
  2. Step 2: Convert to fraction form
    15,472.95/23,202.30 = 8,455.32/x
  3. Step 3: Cross multiply
    15,472.95x = 23,202.30 × 8,455.32
  4. Step 4: Simplify right side
    15,472.95x = 196,182,871.24
  5. Step 5: Solve for x
    x = 196,182,871.24/15,472.95
  6. Step 6: Final answer
    x = 12,679.09

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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.