Home / 15,813.84-23,718.44-4,720.08

Finding the Fourth Proportional to 15,813.84, 23,718.44 and 4,720.08

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Solution

The fourth proportional to 15,813.84, 23,718.44 and 4,720.08 is: 7,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.84 : 23,718.44 = 4,720.08 : x
  2. Step 2: Convert to fraction form
    15,813.84/23,718.44 = 4,720.08/x
  3. Step 3: Cross multiply
    15,813.84x = 23,718.44 × 4,720.08
  4. Step 4: Simplify right side
    15,813.84x = 111,952,934.28
  5. Step 5: Solve for x
    x = 111,952,934.28/15,813.84
  6. Step 6: Final answer
    x = 7,079.43

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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.