Home / 18,600.47-25,667.91-10,102.40

Finding the Fourth Proportional to 18,600.47, 25,667.91 and 10,102.40

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Solution

The fourth proportional to 18,600.47, 25,667.91 and 10,102.40 is: 13,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.47 : 25,667.91 = 10,102.40 : x
  2. Step 2: Convert to fraction form
    18,600.47/25,667.91 = 10,102.40/x
  3. Step 3: Cross multiply
    18,600.47x = 25,667.91 × 10,102.40
  4. Step 4: Simplify right side
    18,600.47x = 259,307,461.90
  5. Step 5: Solve for x
    x = 259,307,461.90/18,600.47
  6. Step 6: Final answer
    x = 13,940.91

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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.