Home / 14,960.91-20,636.60-10,703.55

Finding the Fourth Proportional to 14,960.91, 20,636.60 and 10,703.55

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Solution

The fourth proportional to 14,960.91, 20,636.60 and 10,703.55 is: 14,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.91 : 20,636.60 = 10,703.55 : x
  2. Step 2: Convert to fraction form
    14,960.91/20,636.60 = 10,703.55/x
  3. Step 3: Cross multiply
    14,960.91x = 20,636.60 × 10,703.55
  4. Step 4: Simplify right side
    14,960.91x = 220,884,826.41
  5. Step 5: Solve for x
    x = 220,884,826.41/14,960.91
  6. Step 6: Final answer
    x = 14,764.13

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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.