Home / 21,058.69-29,061.20-11,627.23

Finding the Fourth Proportional to 21,058.69, 29,061.20 and 11,627.23

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Solution

The fourth proportional to 21,058.69, 29,061.20 and 11,627.23 is: 16,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.69 : 29,061.20 = 11,627.23 : x
  2. Step 2: Convert to fraction form
    21,058.69/29,061.20 = 11,627.23/x
  3. Step 3: Cross multiply
    21,058.69x = 29,061.20 × 11,627.23
  4. Step 4: Simplify right side
    21,058.69x = 337,901,140.24
  5. Step 5: Solve for x
    x = 337,901,140.24/21,058.69
  6. Step 6: Final answer
    x = 16,045.69

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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.