Home / 19,101.45-26,376.81-11,943.63

Finding the Fourth Proportional to 19,101.45, 26,376.81 and 11,943.63

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Solution

The fourth proportional to 19,101.45, 26,376.81 and 11,943.63 is: 16,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.45 : 26,376.81 = 11,943.63 : x
  2. Step 2: Convert to fraction form
    19,101.45/26,376.81 = 11,943.63/x
  3. Step 3: Cross multiply
    19,101.45x = 26,376.81 × 11,943.63
  4. Step 4: Simplify right side
    19,101.45x = 315,034,859.22
  5. Step 5: Solve for x
    x = 315,034,859.22/19,101.45
  6. Step 6: Final answer
    x = 16,492.72

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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.