Home / 23,073.72-31,835.01-15,528.57

Finding the Fourth Proportional to 23,073.72, 31,835.01 and 15,528.57

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Solution

The fourth proportional to 23,073.72, 31,835.01 and 15,528.57 is: 21,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,073.72 : 31,835.01 = 15,528.57 : x
  2. Step 2: Convert to fraction form
    23,073.72/31,835.01 = 15,528.57/x
  3. Step 3: Cross multiply
    23,073.72x = 31,835.01 × 15,528.57
  4. Step 4: Simplify right side
    23,073.72x = 494,352,181.24
  5. Step 5: Solve for x
    x = 494,352,181.24/23,073.72
  6. Step 6: Final answer
    x = 21,424.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.