Home / 23,009.02-31,753.37-13,455.07

Finding the Fourth Proportional to 23,009.02, 31,753.37 and 13,455.07

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Solution

The fourth proportional to 23,009.02, 31,753.37 and 13,455.07 is: 18,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,009.02 : 31,753.37 = 13,455.07 : x
  2. Step 2: Convert to fraction form
    23,009.02/31,753.37 = 13,455.07/x
  3. Step 3: Cross multiply
    23,009.02x = 31,753.37 × 13,455.07
  4. Step 4: Simplify right side
    23,009.02x = 427,243,816.09
  5. Step 5: Solve for x
    x = 427,243,816.09/23,009.02
  6. Step 6: Final answer
    x = 18,568.54

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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.