Home / 14,615.38-20,169.20-7,901.01

Finding the Fourth Proportional to 14,615.38, 20,169.20 and 7,901.01

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Solution

The fourth proportional to 14,615.38, 20,169.20 and 7,901.01 is: 10,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.38 : 20,169.20 = 7,901.01 : x
  2. Step 2: Convert to fraction form
    14,615.38/20,169.20 = 7,901.01/x
  3. Step 3: Cross multiply
    14,615.38x = 20,169.20 × 7,901.01
  4. Step 4: Simplify right side
    14,615.38x = 159,357,011.39
  5. Step 5: Solve for x
    x = 159,357,011.39/14,615.38
  6. Step 6: Final answer
    x = 10,903.38

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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.