Home / 19,291.73-26,613.59-12,487.95

Finding the Fourth Proportional to 19,291.73, 26,613.59 and 12,487.95

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Solution

The fourth proportional to 19,291.73, 26,613.59 and 12,487.95 is: 17,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.73 : 26,613.59 = 12,487.95 : x
  2. Step 2: Convert to fraction form
    19,291.73/26,613.59 = 12,487.95/x
  3. Step 3: Cross multiply
    19,291.73x = 26,613.59 × 12,487.95
  4. Step 4: Simplify right side
    19,291.73x = 332,349,181.24
  5. Step 5: Solve for x
    x = 332,349,181.24/19,291.73
  6. Step 6: Final answer
    x = 17,227.55

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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.