Home / 15,801.32-21,793.38-14,741.48

Finding the Fourth Proportional to 15,801.32, 21,793.38 and 14,741.48

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Solution

The fourth proportional to 15,801.32, 21,793.38 and 14,741.48 is: 20,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,801.32 : 21,793.38 = 14,741.48 : x
  2. Step 2: Convert to fraction form
    15,801.32/21,793.38 = 14,741.48/x
  3. Step 3: Cross multiply
    15,801.32x = 21,793.38 × 14,741.48
  4. Step 4: Simplify right side
    15,801.32x = 321,266,675.40
  5. Step 5: Solve for x
    x = 321,266,675.40/15,801.32
  6. Step 6: Final answer
    x = 20,331.64

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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.