Home / 13,275.65-19,912.14-4,510.43

Finding the Fourth Proportional to 13,275.65, 19,912.14 and 4,510.43

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Solution

The fourth proportional to 13,275.65, 19,912.14 and 4,510.43 is: 6,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.65 : 19,912.14 = 4,510.43 : x
  2. Step 2: Convert to fraction form
    13,275.65/19,912.14 = 4,510.43/x
  3. Step 3: Cross multiply
    13,275.65x = 19,912.14 × 4,510.43
  4. Step 4: Simplify right side
    13,275.65x = 89,812,214.06
  5. Step 5: Solve for x
    x = 89,812,214.06/13,275.65
  6. Step 6: Final answer
    x = 6,765.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.