Home / 13,947.08-19,235.66-12,264.92

Finding the Fourth Proportional to 13,947.08, 19,235.66 and 12,264.92

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Solution

The fourth proportional to 13,947.08, 19,235.66 and 12,264.92 is: 16,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.08 : 19,235.66 = 12,264.92 : x
  2. Step 2: Convert to fraction form
    13,947.08/19,235.66 = 12,264.92/x
  3. Step 3: Cross multiply
    13,947.08x = 19,235.66 × 12,264.92
  4. Step 4: Simplify right side
    13,947.08x = 235,923,831.05
  5. Step 5: Solve for x
    x = 235,923,831.05/13,947.08
  6. Step 6: Final answer
    x = 16,915.64

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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.