Home / 14,628.07-20,186.65-7,913.68

Finding the Fourth Proportional to 14,628.07, 20,186.65 and 7,913.68

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Solution

The fourth proportional to 14,628.07, 20,186.65 and 7,913.68 is: 10,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.07 : 20,186.65 = 7,913.68 : x
  2. Step 2: Convert to fraction form
    14,628.07/20,186.65 = 7,913.68/x
  3. Step 3: Cross multiply
    14,628.07x = 20,186.65 × 7,913.68
  4. Step 4: Simplify right side
    14,628.07x = 159,750,587.44
  5. Step 5: Solve for x
    x = 159,750,587.44/14,628.07
  6. Step 6: Final answer
    x = 10,920.83

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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.