Home / 23,427.80-32,331.16-13,357.72

Finding the Fourth Proportional to 23,427.80, 32,331.16 and 13,357.72

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Solution

The fourth proportional to 23,427.80, 32,331.16 and 13,357.72 is: 18,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,427.80 : 32,331.16 = 13,357.72 : x
  2. Step 2: Convert to fraction form
    23,427.80/32,331.16 = 13,357.72/x
  3. Step 3: Cross multiply
    23,427.80x = 32,331.16 × 13,357.72
  4. Step 4: Simplify right side
    23,427.80x = 431,870,582.56
  5. Step 5: Solve for x
    x = 431,870,582.56/23,427.80
  6. Step 6: Final answer
    x = 18,434.11

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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.