Home / 14,911.36-20,602.56-12,423.04

Finding the Fourth Proportional to 14,911.36, 20,602.56 and 12,423.04

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Solution

The fourth proportional to 14,911.36, 20,602.56 and 12,423.04 is: 17,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.36 : 20,602.56 = 12,423.04 : x
  2. Step 2: Convert to fraction form
    14,911.36/20,602.56 = 12,423.04/x
  3. Step 3: Cross multiply
    14,911.36x = 20,602.56 × 12,423.04
  4. Step 4: Simplify right side
    14,911.36x = 255,946,426.98
  5. Step 5: Solve for x
    x = 255,946,426.98/14,911.36
  6. Step 6: Final answer
    x = 17,164.53

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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.