Home / 22,580.11-31,157.48-12,506.07

Finding the Fourth Proportional to 22,580.11, 31,157.48 and 12,506.07

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Solution

The fourth proportional to 22,580.11, 31,157.48 and 12,506.07 is: 17,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.11 : 31,157.48 = 12,506.07 : x
  2. Step 2: Convert to fraction form
    22,580.11/31,157.48 = 12,506.07/x
  3. Step 3: Cross multiply
    22,580.11x = 31,157.48 × 12,506.07
  4. Step 4: Simplify right side
    22,580.11x = 389,657,625.90
  5. Step 5: Solve for x
    x = 389,657,625.90/22,580.11
  6. Step 6: Final answer
    x = 17,256.68

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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.