Home / 19,645.21-29,468.41-4,854.13

Finding the Fourth Proportional to 19,645.21, 29,468.41 and 4,854.13

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Solution

The fourth proportional to 19,645.21, 29,468.41 and 4,854.13 is: 7,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.21 : 29,468.41 = 4,854.13 : x
  2. Step 2: Convert to fraction form
    19,645.21/29,468.41 = 4,854.13/x
  3. Step 3: Cross multiply
    19,645.21x = 29,468.41 × 4,854.13
  4. Step 4: Simplify right side
    19,645.21x = 143,043,407.23
  5. Step 5: Solve for x
    x = 143,043,407.23/19,645.21
  6. Step 6: Final answer
    x = 7,281.34

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1.5x scale

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.