Home / 53,283.90-79,923.09-15,844.32

Finding the Fourth Proportional to 53,283.90, 79,923.09 and 15,844.32

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Solution

The fourth proportional to 53,283.90, 79,923.09 and 15,844.32 is: 23,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,283.90 : 79,923.09 = 15,844.32 : x
  2. Step 2: Convert to fraction form
    53,283.90/79,923.09 = 15,844.32/x
  3. Step 3: Cross multiply
    53,283.90x = 79,923.09 × 15,844.32
  4. Step 4: Simplify right side
    53,283.90x = 1,266,327,013.35
  5. Step 5: Solve for x
    x = 1,266,327,013.35/53,283.90
  6. Step 6: Final answer
    x = 23,765.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.