Home / 23,290.70-32,118.80-15,651.23

Finding the Fourth Proportional to 23,290.70, 32,118.80 and 15,651.23

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Solution

The fourth proportional to 23,290.70, 32,118.80 and 15,651.23 is: 21,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,290.70 : 32,118.80 = 15,651.23 : x
  2. Step 2: Convert to fraction form
    23,290.70/32,118.80 = 15,651.23/x
  3. Step 3: Cross multiply
    23,290.70x = 32,118.80 × 15,651.23
  4. Step 4: Simplify right side
    23,290.70x = 502,698,487.27
  5. Step 5: Solve for x
    x = 502,698,487.27/23,290.70
  6. Step 6: Final answer
    x = 21,583.66

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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.