Home / 19,810.66-29,567.14-17,130.44

Finding the Fourth Proportional to 19,810.66, 29,567.14 and 17,130.44

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Solution

The fourth proportional to 19,810.66, 29,567.14 and 17,130.44 is: 25,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.66 : 29,567.14 = 17,130.44 : x
  2. Step 2: Convert to fraction form
    19,810.66/29,567.14 = 17,130.44/x
  3. Step 3: Cross multiply
    19,810.66x = 29,567.14 × 17,130.44
  4. Step 4: Simplify right side
    19,810.66x = 506,498,078.88
  5. Step 5: Solve for x
    x = 506,498,078.88/19,810.66
  6. Step 6: Final answer
    x = 25,566.95

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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.