Home / 19,083.76-26,332.32-12,019.60

Finding the Fourth Proportional to 19,083.76, 26,332.32 and 12,019.60

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Solution

The fourth proportional to 19,083.76, 26,332.32 and 12,019.60 is: 16,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.76 : 26,332.32 = 12,019.60 : x
  2. Step 2: Convert to fraction form
    19,083.76/26,332.32 = 12,019.60/x
  3. Step 3: Cross multiply
    19,083.76x = 26,332.32 × 12,019.60
  4. Step 4: Simplify right side
    19,083.76x = 316,503,953.47
  5. Step 5: Solve for x
    x = 316,503,953.47/19,083.76
  6. Step 6: Final answer
    x = 16,584.99

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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.