Home / 19,359.90-26,716.49-10,861.84

Finding the Fourth Proportional to 19,359.90, 26,716.49 and 10,861.84

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Solution

The fourth proportional to 19,359.90, 26,716.49 and 10,861.84 is: 14,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.90 : 26,716.49 = 10,861.84 : x
  2. Step 2: Convert to fraction form
    19,359.90/26,716.49 = 10,861.84/x
  3. Step 3: Cross multiply
    19,359.90x = 26,716.49 × 10,861.84
  4. Step 4: Simplify right side
    19,359.90x = 290,190,214.97
  5. Step 5: Solve for x
    x = 290,190,214.97/19,359.90
  6. Step 6: Final answer
    x = 14,989.24

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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.