Home / 19,905.10-27,468.35-10,951.76

Finding the Fourth Proportional to 19,905.10, 27,468.35 and 10,951.76

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Solution

The fourth proportional to 19,905.10, 27,468.35 and 10,951.76 is: 15,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.10 : 27,468.35 = 10,951.76 : x
  2. Step 2: Convert to fraction form
    19,905.10/27,468.35 = 10,951.76/x
  3. Step 3: Cross multiply
    19,905.10x = 27,468.35 × 10,951.76
  4. Step 4: Simplify right side
    19,905.10x = 300,826,831.78
  5. Step 5: Solve for x
    x = 300,826,831.78/19,905.10
  6. Step 6: Final answer
    x = 15,113.05

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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.