Home / 15,731.46-23,600.43-13,152.42

Finding the Fourth Proportional to 15,731.46, 23,600.43 and 13,152.42

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Solution

The fourth proportional to 15,731.46, 23,600.43 and 13,152.42 is: 19,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731.46 : 23,600.43 = 13,152.42 : x
  2. Step 2: Convert to fraction form
    15,731.46/23,600.43 = 13,152.42/x
  3. Step 3: Cross multiply
    15,731.46x = 23,600.43 × 13,152.42
  4. Step 4: Simplify right side
    15,731.46x = 310,402,767.54
  5. Step 5: Solve for x
    x = 310,402,767.54/15,731.46
  6. Step 6: Final answer
    x = 19,731.34

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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.