Home / 19,509.46-29,264.09-4,718.45

Finding the Fourth Proportional to 19,509.46, 29,264.09 and 4,718.45

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Solution

The fourth proportional to 19,509.46, 29,264.09 and 4,718.45 is: 7,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.46 : 29,264.09 = 4,718.45 : x
  2. Step 2: Convert to fraction form
    19,509.46/29,264.09 = 4,718.45/x
  3. Step 3: Cross multiply
    19,509.46x = 29,264.09 × 4,718.45
  4. Step 4: Simplify right side
    19,509.46x = 138,081,195.03
  5. Step 5: Solve for x
    x = 138,081,195.03/19,509.46
  6. Step 6: Final answer
    x = 7,077.65

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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.