Home / 22,945.02-31,664.44-12,875.64

Finding the Fourth Proportional to 22,945.02, 31,664.44 and 12,875.64

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Solution

The fourth proportional to 22,945.02, 31,664.44 and 12,875.64 is: 17,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945.02 : 31,664.44 = 12,875.64 : x
  2. Step 2: Convert to fraction form
    22,945.02/31,664.44 = 12,875.64/x
  3. Step 3: Cross multiply
    22,945.02x = 31,664.44 × 12,875.64
  4. Step 4: Simplify right side
    22,945.02x = 407,699,930.24
  5. Step 5: Solve for x
    x = 407,699,930.24/22,945.02
  6. Step 6: Final answer
    x = 17,768.56

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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.