Home / 14,725.80-20,309.93-10,411.26

Finding the Fourth Proportional to 14,725.80, 20,309.93 and 10,411.26

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Solution

The fourth proportional to 14,725.80, 20,309.93 and 10,411.26 is: 14,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.80 : 20,309.93 = 10,411.26 : x
  2. Step 2: Convert to fraction form
    14,725.80/20,309.93 = 10,411.26/x
  3. Step 3: Cross multiply
    14,725.80x = 20,309.93 × 10,411.26
  4. Step 4: Simplify right side
    14,725.80x = 211,451,909.76
  5. Step 5: Solve for x
    x = 211,451,909.76/14,725.80
  6. Step 6: Final answer
    x = 14,359.28

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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.