Home / 15,730.96-23,599.68-13,151.92

Finding the Fourth Proportional to 15,730.96, 23,599.68 and 13,151.92

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Solution

The fourth proportional to 15,730.96, 23,599.68 and 13,151.92 is: 19,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.96 : 23,599.68 = 13,151.92 : x
  2. Step 2: Convert to fraction form
    15,730.96/23,599.68 = 13,151.92/x
  3. Step 3: Cross multiply
    15,730.96x = 23,599.68 × 13,151.92
  4. Step 4: Simplify right side
    15,730.96x = 310,381,103.39
  5. Step 5: Solve for x
    x = 310,381,103.39/15,730.96
  6. Step 6: Final answer
    x = 19,730.59

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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.