Home / 13,812.13-19,061.09-8,510.41

Finding the Fourth Proportional to 13,812.13, 19,061.09 and 8,510.41

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Solution

The fourth proportional to 13,812.13, 19,061.09 and 8,510.41 is: 11,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812.13 : 19,061.09 = 8,510.41 : x
  2. Step 2: Convert to fraction form
    13,812.13/19,061.09 = 8,510.41/x
  3. Step 3: Cross multiply
    13,812.13x = 19,061.09 × 8,510.41
  4. Step 4: Simplify right side
    13,812.13x = 162,217,690.95
  5. Step 5: Solve for x
    x = 162,217,690.95/13,812.13
  6. Step 6: Final answer
    x = 11,744.58

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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.