Home / 22,607.57-31,203.39-12,539.51

Finding the Fourth Proportional to 22,607.57, 31,203.39 and 12,539.51

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Solution

The fourth proportional to 22,607.57, 31,203.39 and 12,539.51 is: 17,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.57 : 31,203.39 = 12,539.51 : x
  2. Step 2: Convert to fraction form
    22,607.57/31,203.39 = 12,539.51/x
  3. Step 3: Cross multiply
    22,607.57x = 31,203.39 × 12,539.51
  4. Step 4: Simplify right side
    22,607.57x = 391,275,064.92
  5. Step 5: Solve for x
    x = 391,275,064.92/22,607.57
  6. Step 6: Final answer
    x = 17,307.26

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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.