Home / 22,610.48-31,202.42-12,539.00

Finding the Fourth Proportional to 22,610.48, 31,202.42 and 12,539.00

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Solution

The fourth proportional to 22,610.48, 31,202.42 and 12,539.00 is: 17,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.48 : 31,202.42 = 12,539.00 : x
  2. Step 2: Convert to fraction form
    22,610.48/31,202.42 = 12,539.00/x
  3. Step 3: Cross multiply
    22,610.48x = 31,202.42 × 12,539.00
  4. Step 4: Simplify right side
    22,610.48x = 391,247,159.69
  5. Step 5: Solve for x
    x = 391,247,159.69/22,610.48
  6. Step 6: Final answer
    x = 17,303.80

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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.