Home / 19,645.47-29,317.31-17,543.52

Finding the Fourth Proportional to 19,645.47, 29,317.31 and 17,543.52

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Solution

The fourth proportional to 19,645.47, 29,317.31 and 17,543.52 is: 26,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.47 : 29,317.31 = 17,543.52 : x
  2. Step 2: Convert to fraction form
    19,645.47/29,317.31 = 17,543.52/x
  3. Step 3: Cross multiply
    19,645.47x = 29,317.31 × 17,543.52
  4. Step 4: Simplify right side
    19,645.47x = 514,328,792.40
  5. Step 5: Solve for x
    x = 514,328,792.40/19,645.47
  6. Step 6: Final answer
    x = 26,180.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.