Home / 15,931.49-23,900.87-4,843.40

Finding the Fourth Proportional to 15,931.49, 23,900.87 and 4,843.40

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Solution

The fourth proportional to 15,931.49, 23,900.87 and 4,843.40 is: 7,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.49 : 23,900.87 = 4,843.40 : x
  2. Step 2: Convert to fraction form
    15,931.49/23,900.87 = 4,843.40/x
  3. Step 3: Cross multiply
    15,931.49x = 23,900.87 × 4,843.40
  4. Step 4: Simplify right side
    15,931.49x = 115,761,366.36
  5. Step 5: Solve for x
    x = 115,761,366.36/15,931.49
  6. Step 6: Final answer
    x = 7,266.20

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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.