Home / 22,058.10-30,442.77-12,629.70

Finding the Fourth Proportional to 22,058.10, 30,442.77 and 12,629.70

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Solution

The fourth proportional to 22,058.10, 30,442.77 and 12,629.70 is: 17,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,058.10 : 30,442.77 = 12,629.70 : x
  2. Step 2: Convert to fraction form
    22,058.10/30,442.77 = 12,629.70/x
  3. Step 3: Cross multiply
    22,058.10x = 30,442.77 × 12,629.70
  4. Step 4: Simplify right side
    22,058.10x = 384,483,052.27
  5. Step 5: Solve for x
    x = 384,483,052.27/22,058.10
  6. Step 6: Final answer
    x = 17,430.47

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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.