Home / 19,081.76-26,329.56-12,017.60

Finding the Fourth Proportional to 19,081.76, 26,329.56 and 12,017.60

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Solution

The fourth proportional to 19,081.76, 26,329.56 and 12,017.60 is: 16,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.76 : 26,329.56 = 12,017.60 : x
  2. Step 2: Convert to fraction form
    19,081.76/26,329.56 = 12,017.60/x
  3. Step 3: Cross multiply
    19,081.76x = 26,329.56 × 12,017.60
  4. Step 4: Simplify right side
    19,081.76x = 316,418,120.26
  5. Step 5: Solve for x
    x = 316,418,120.26/19,081.76
  6. Step 6: Final answer
    x = 16,582.23

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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.