Home / 13,160.88-19,718.64-9,445.41

Finding the Fourth Proportional to 13,160.88, 19,718.64 and 9,445.41

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Solution

The fourth proportional to 13,160.88, 19,718.64 and 9,445.41 is: 14,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.88 : 19,718.64 = 9,445.41 : x
  2. Step 2: Convert to fraction form
    13,160.88/19,718.64 = 9,445.41/x
  3. Step 3: Cross multiply
    13,160.88x = 19,718.64 × 9,445.41
  4. Step 4: Simplify right side
    13,160.88x = 186,250,639.44
  5. Step 5: Solve for x
    x = 186,250,639.44/13,160.88
  6. Step 6: Final answer
    x = 14,151.84

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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.