Home / 14,491.46-21,541.78-14,065.76

Finding the Fourth Proportional to 14,491.46, 21,541.78 and 14,065.76

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Solution

The fourth proportional to 14,491.46, 21,541.78 and 14,065.76 is: 20,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.46 : 21,541.78 = 14,065.76 : x
  2. Step 2: Convert to fraction form
    14,491.46/21,541.78 = 14,065.76/x
  3. Step 3: Cross multiply
    14,491.46x = 21,541.78 × 14,065.76
  4. Step 4: Simplify right side
    14,491.46x = 303,001,507.45
  5. Step 5: Solve for x
    x = 303,001,507.45/14,491.46
  6. Step 6: Final answer
    x = 20,908.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.