Home / 19,194.28-26,487.72-10,810.78

Finding the Fourth Proportional to 19,194.28, 26,487.72 and 10,810.78

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Solution

The fourth proportional to 19,194.28, 26,487.72 and 10,810.78 is: 14,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.28 : 26,487.72 = 10,810.78 : x
  2. Step 2: Convert to fraction form
    19,194.28/26,487.72 = 10,810.78/x
  3. Step 3: Cross multiply
    19,194.28x = 26,487.72 × 10,810.78
  4. Step 4: Simplify right side
    19,194.28x = 286,352,913.62
  5. Step 5: Solve for x
    x = 286,352,913.62/19,194.28
  6. Step 6: Final answer
    x = 14,918.66

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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.