Home / 19,046.54-28,509.98-13,088.59

Finding the Fourth Proportional to 19,046.54, 28,509.98 and 13,088.59

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Solution

The fourth proportional to 19,046.54, 28,509.98 and 13,088.59 is: 19,591.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,046.54 : 28,509.98 = 13,088.59 : x
  2. Step 2: Convert to fraction form
    19,046.54/28,509.98 = 13,088.59/x
  3. Step 3: Cross multiply
    19,046.54x = 28,509.98 × 13,088.59
  4. Step 4: Simplify right side
    19,046.54x = 373,155,302.41
  5. Step 5: Solve for x
    x = 373,155,302.41/19,046.54
  6. Step 6: Final answer
    x = 19,591.76

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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.