Home / 19,913.54-27,480.34-10,960.86

Finding the Fourth Proportional to 19,913.54, 27,480.34 and 10,960.86

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Solution

The fourth proportional to 19,913.54, 27,480.34 and 10,960.86 is: 15,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.54 : 27,480.34 = 10,960.86 : x
  2. Step 2: Convert to fraction form
    19,913.54/27,480.34 = 10,960.86/x
  3. Step 3: Cross multiply
    19,913.54x = 27,480.34 × 10,960.86
  4. Step 4: Simplify right side
    19,913.54x = 301,208,159.49
  5. Step 5: Solve for x
    x = 301,208,159.49/19,913.54
  6. Step 6: Final answer
    x = 15,125.80

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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.