Home / 15,888.57-23,761.26-12,141.45

Finding the Fourth Proportional to 15,888.57, 23,761.26 and 12,141.45

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Solution

The fourth proportional to 15,888.57, 23,761.26 and 12,141.45 is: 18,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888.57 : 23,761.26 = 12,141.45 : x
  2. Step 2: Convert to fraction form
    15,888.57/23,761.26 = 12,141.45/x
  3. Step 3: Cross multiply
    15,888.57x = 23,761.26 × 12,141.45
  4. Step 4: Simplify right side
    15,888.57x = 288,496,089.52
  5. Step 5: Solve for x
    x = 288,496,089.52/15,888.57
  6. Step 6: Final answer
    x = 18,157.46

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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.