Home / 19,238.31-26,549.78-10,853.19

Finding the Fourth Proportional to 19,238.31, 26,549.78 and 10,853.19

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Solution

The fourth proportional to 19,238.31, 26,549.78 and 10,853.19 is: 14,977.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.31 : 26,549.78 = 10,853.19 : x
  2. Step 2: Convert to fraction form
    19,238.31/26,549.78 = 10,853.19/x
  3. Step 3: Cross multiply
    19,238.31x = 26,549.78 × 10,853.19
  4. Step 4: Simplify right side
    19,238.31x = 288,149,752.53
  5. Step 5: Solve for x
    x = 288,149,752.53/19,238.31
  6. Step 6: Final answer
    x = 14,977.91

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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.