Home / 22,648.55-31,255.29-12,577.63

Finding the Fourth Proportional to 22,648.55, 31,255.29 and 12,577.63

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Solution

The fourth proportional to 22,648.55, 31,255.29 and 12,577.63 is: 17,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,648.55 : 31,255.29 = 12,577.63 : x
  2. Step 2: Convert to fraction form
    22,648.55/31,255.29 = 12,577.63/x
  3. Step 3: Cross multiply
    22,648.55x = 31,255.29 × 12,577.63
  4. Step 4: Simplify right side
    22,648.55x = 393,117,473.16
  5. Step 5: Solve for x
    x = 393,117,473.16/22,648.55
  6. Step 6: Final answer
    x = 17,357.29

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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.