Home / 14,818.04-20,448.30-8,531.48

Finding the Fourth Proportional to 14,818.04, 20,448.30 and 8,531.48

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Solution

The fourth proportional to 14,818.04, 20,448.30 and 8,531.48 is: 11,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.04 : 20,448.30 = 8,531.48 : x
  2. Step 2: Convert to fraction form
    14,818.04/20,448.30 = 8,531.48/x
  3. Step 3: Cross multiply
    14,818.04x = 20,448.30 × 8,531.48
  4. Step 4: Simplify right side
    14,818.04x = 174,454,262.48
  5. Step 5: Solve for x
    x = 174,454,262.48/14,818.04
  6. Step 6: Final answer
    x = 11,773.10

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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.