Home / 14,390.64-21,587.02-5,029.57

Finding the Fourth Proportional to 14,390.64, 21,587.02 and 5,029.57

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Solution

The fourth proportional to 14,390.64, 21,587.02 and 5,029.57 is: 7,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.64 : 21,587.02 = 5,029.57 : x
  2. Step 2: Convert to fraction form
    14,390.64/21,587.02 = 5,029.57/x
  3. Step 3: Cross multiply
    14,390.64x = 21,587.02 × 5,029.57
  4. Step 4: Simplify right side
    14,390.64x = 108,573,428.18
  5. Step 5: Solve for x
    x = 108,573,428.18/14,390.64
  6. Step 6: Final answer
    x = 7,544.73

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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.