Home / 14,914.92-20,558.64-10,133.40

Finding the Fourth Proportional to 14,914.92, 20,558.64 and 10,133.40

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Solution

The fourth proportional to 14,914.92, 20,558.64 and 10,133.40 is: 13,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914.92 : 20,558.64 = 10,133.40 : x
  2. Step 2: Convert to fraction form
    14,914.92/20,558.64 = 10,133.40/x
  3. Step 3: Cross multiply
    14,914.92x = 20,558.64 × 10,133.40
  4. Step 4: Simplify right side
    14,914.92x = 208,328,922.58
  5. Step 5: Solve for x
    x = 208,328,922.58/14,914.92
  6. Step 6: Final answer
    x = 13,967.82

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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.