Home / 15,813.76-23,671.43-9,958.07

Finding the Fourth Proportional to 15,813.76, 23,671.43 and 9,958.07

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Solution

The fourth proportional to 15,813.76, 23,671.43 and 9,958.07 is: 14,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.76 : 23,671.43 = 9,958.07 : x
  2. Step 2: Convert to fraction form
    15,813.76/23,671.43 = 9,958.07/x
  3. Step 3: Cross multiply
    15,813.76x = 23,671.43 × 9,958.07
  4. Step 4: Simplify right side
    15,813.76x = 235,721,756.94
  5. Step 5: Solve for x
    x = 235,721,756.94/15,813.76
  6. Step 6: Final answer
    x = 14,906.12

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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.