Home / 19,060.16-28,541-13,155.26

Finding the Fourth Proportional to 19,060.16, 28,541 and 13,155.26

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Solution

The fourth proportional to 19,060.16, 28,541 and 13,155.26 is: 19,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,060.16 : 28,541 = 13,155.26 : x
  2. Step 2: Convert to fraction form
    19,060.16/28,541 = 13,155.26/x
  3. Step 3: Cross multiply
    19,060.16x = 28,541 × 13,155.26
  4. Step 4: Simplify right side
    19,060.16x = 375,464,275.66
  5. Step 5: Solve for x
    x = 375,464,275.66/19,060.16
  6. Step 6: Final answer
    x = 19,698.90

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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.