Home / 18,827.12-28,196.15-16,348.47

Finding the Fourth Proportional to 18,827.12, 28,196.15 and 16,348.47

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Solution

The fourth proportional to 18,827.12, 28,196.15 and 16,348.47 is: 24,484.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.12 : 28,196.15 = 16,348.47 : x
  2. Step 2: Convert to fraction form
    18,827.12/28,196.15 = 16,348.47/x
  3. Step 3: Cross multiply
    18,827.12x = 28,196.15 × 16,348.47
  4. Step 4: Simplify right side
    18,827.12x = 460,963,689.67
  5. Step 5: Solve for x
    x = 460,963,689.67/18,827.12
  6. Step 6: Final answer
    x = 24,484.03

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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.