Home / 19,309.56-26,640.99-10,810.43

Finding the Fourth Proportional to 19,309.56, 26,640.99 and 10,810.43

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Solution

The fourth proportional to 19,309.56, 26,640.99 and 10,810.43 is: 14,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.56 : 26,640.99 = 10,810.43 : x
  2. Step 2: Convert to fraction form
    19,309.56/26,640.99 = 10,810.43/x
  3. Step 3: Cross multiply
    19,309.56x = 26,640.99 × 10,810.43
  4. Step 4: Simplify right side
    19,309.56x = 288,000,424.32
  5. Step 5: Solve for x
    x = 288,000,424.32/19,309.56
  6. Step 6: Final answer
    x = 14,914.92

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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.