Home / 19,641.03-27,108.14-12,567.21

Finding the Fourth Proportional to 19,641.03, 27,108.14 and 12,567.21

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Solution

The fourth proportional to 19,641.03, 27,108.14 and 12,567.21 is: 17,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.03 : 27,108.14 = 12,567.21 : x
  2. Step 2: Convert to fraction form
    19,641.03/27,108.14 = 12,567.21/x
  3. Step 3: Cross multiply
    19,641.03x = 27,108.14 × 12,567.21
  4. Step 4: Simplify right side
    19,641.03x = 340,673,625.25
  5. Step 5: Solve for x
    x = 340,673,625.25/19,641.03
  6. Step 6: Final answer
    x = 17,345.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.