Home / 23,169.16-31,999.69-15,602.32

Finding the Fourth Proportional to 23,169.16, 31,999.69 and 15,602.32

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Solution

The fourth proportional to 23,169.16, 31,999.69 and 15,602.32 is: 21,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.16 : 31,999.69 = 15,602.32 : x
  2. Step 2: Convert to fraction form
    23,169.16/31,999.69 = 15,602.32/x
  3. Step 3: Cross multiply
    23,169.16x = 31,999.69 × 15,602.32
  4. Step 4: Simplify right side
    23,169.16x = 499,269,462.78
  5. Step 5: Solve for x
    x = 499,269,462.78/23,169.16
  6. Step 6: Final answer
    x = 21,548.88

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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.