Home / 22,775.37-31,428.66-13,214.52

Finding the Fourth Proportional to 22,775.37, 31,428.66 and 13,214.52

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Solution

The fourth proportional to 22,775.37, 31,428.66 and 13,214.52 is: 18,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,775.37 : 31,428.66 = 13,214.52 : x
  2. Step 2: Convert to fraction form
    22,775.37/31,428.66 = 13,214.52/x
  3. Step 3: Cross multiply
    22,775.37x = 31,428.66 × 13,214.52
  4. Step 4: Simplify right side
    22,775.37x = 415,314,656.14
  5. Step 5: Solve for x
    x = 415,314,656.14/22,775.37
  6. Step 6: Final answer
    x = 18,235.25

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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.