Home / 19,125.78-26,393.41-10,512.07

Finding the Fourth Proportional to 19,125.78, 26,393.41 and 10,512.07

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Solution

The fourth proportional to 19,125.78, 26,393.41 and 10,512.07 is: 14,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.78 : 26,393.41 = 10,512.07 : x
  2. Step 2: Convert to fraction form
    19,125.78/26,393.41 = 10,512.07/x
  3. Step 3: Cross multiply
    19,125.78x = 26,393.41 × 10,512.07
  4. Step 4: Simplify right side
    19,125.78x = 277,449,373.46
  5. Step 5: Solve for x
    x = 277,449,373.46/19,125.78
  6. Step 6: Final answer
    x = 14,506.57

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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.