Home / 15,440.81-23,161.14-3,754.13

Finding the Fourth Proportional to 15,440.81, 23,161.14 and 3,754.13

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Solution

The fourth proportional to 15,440.81, 23,161.14 and 3,754.13 is: 5,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.81 : 23,161.14 = 3,754.13 : x
  2. Step 2: Convert to fraction form
    15,440.81/23,161.14 = 3,754.13/x
  3. Step 3: Cross multiply
    15,440.81x = 23,161.14 × 3,754.13
  4. Step 4: Simplify right side
    15,440.81x = 86,949,814.70
  5. Step 5: Solve for x
    x = 86,949,814.70/15,440.81
  6. Step 6: Final answer
    x = 5,631.17

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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.