Home / 19,301.94-26,640.81-12,575.52

Finding the Fourth Proportional to 19,301.94, 26,640.81 and 12,575.52

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Solution

The fourth proportional to 19,301.94, 26,640.81 and 12,575.52 is: 17,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.94 : 26,640.81 = 12,575.52 : x
  2. Step 2: Convert to fraction form
    19,301.94/26,640.81 = 12,575.52/x
  3. Step 3: Cross multiply
    19,301.94x = 26,640.81 × 12,575.52
  4. Step 4: Simplify right side
    19,301.94x = 335,022,038.97
  5. Step 5: Solve for x
    x = 335,022,038.97/19,301.94
  6. Step 6: Final answer
    x = 17,356.91

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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.