Home / 14,967.47-20,635.92-12,268.76

Finding the Fourth Proportional to 14,967.47, 20,635.92 and 12,268.76

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Solution

The fourth proportional to 14,967.47, 20,635.92 and 12,268.76 is: 16,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.47 : 20,635.92 = 12,268.76 : x
  2. Step 2: Convert to fraction form
    14,967.47/20,635.92 = 12,268.76/x
  3. Step 3: Cross multiply
    14,967.47x = 20,635.92 × 12,268.76
  4. Step 4: Simplify right side
    14,967.47x = 253,177,149.86
  5. Step 5: Solve for x
    x = 253,177,149.86/14,967.47
  6. Step 6: Final answer
    x = 16,915.16

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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.