Home / 22,460.45-30,985.40-13,023.54

Finding the Fourth Proportional to 22,460.45, 30,985.40 and 13,023.54

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Solution

The fourth proportional to 22,460.45, 30,985.40 and 13,023.54 is: 17,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,460.45 : 30,985.40 = 13,023.54 : x
  2. Step 2: Convert to fraction form
    22,460.45/30,985.40 = 13,023.54/x
  3. Step 3: Cross multiply
    22,460.45x = 30,985.40 × 13,023.54
  4. Step 4: Simplify right side
    22,460.45x = 403,539,628.87
  5. Step 5: Solve for x
    x = 403,539,628.87/22,460.45
  6. Step 6: Final answer
    x = 17,966.68

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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.