Home / 19,205.42-28,981.58-18,613.74

Finding the Fourth Proportional to 19,205.42, 28,981.58 and 18,613.74

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Solution

The fourth proportional to 19,205.42, 28,981.58 and 18,613.74 is: 28,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.42 : 28,981.58 = 18,613.74 : x
  2. Step 2: Convert to fraction form
    19,205.42/28,981.58 = 18,613.74/x
  3. Step 3: Cross multiply
    19,205.42x = 28,981.58 × 18,613.74
  4. Step 4: Simplify right side
    19,205.42x = 539,455,610.52
  5. Step 5: Solve for x
    x = 539,455,610.52/19,205.42
  6. Step 6: Final answer
    x = 28,088.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.