Home / 13,223.94-19,838.20-4,458.92

Finding the Fourth Proportional to 13,223.94, 19,838.20 and 4,458.92

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Solution

The fourth proportional to 13,223.94, 19,838.20 and 4,458.92 is: 6,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.94 : 19,838.20 = 4,458.92 : x
  2. Step 2: Convert to fraction form
    13,223.94/19,838.20 = 4,458.92/x
  3. Step 3: Cross multiply
    13,223.94x = 19,838.20 × 4,458.92
  4. Step 4: Simplify right side
    13,223.94x = 88,456,946.74
  5. Step 5: Solve for x
    x = 88,456,946.74/13,223.94
  6. Step 6: Final answer
    x = 6,689.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.