Home / 14,818.90-20,457.52-11,454.11

Finding the Fourth Proportional to 14,818.90, 20,457.52 and 11,454.11

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Solution

The fourth proportional to 14,818.90, 20,457.52 and 11,454.11 is: 15,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.90 : 20,457.52 = 11,454.11 : x
  2. Step 2: Convert to fraction form
    14,818.90/20,457.52 = 11,454.11/x
  3. Step 3: Cross multiply
    14,818.90x = 20,457.52 × 11,454.11
  4. Step 4: Simplify right side
    14,818.90x = 234,322,684.41
  5. Step 5: Solve for x
    x = 234,322,684.41/14,818.90
  6. Step 6: Final answer
    x = 15,812.42

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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.