Home / 23,220.15-32,043.21-13,151.07

Finding the Fourth Proportional to 23,220.15, 32,043.21 and 13,151.07

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Solution

The fourth proportional to 23,220.15, 32,043.21 and 13,151.07 is: 18,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.15 : 32,043.21 = 13,151.07 : x
  2. Step 2: Convert to fraction form
    23,220.15/32,043.21 = 13,151.07/x
  3. Step 3: Cross multiply
    23,220.15x = 32,043.21 × 13,151.07
  4. Step 4: Simplify right side
    23,220.15x = 421,402,497.73
  5. Step 5: Solve for x
    x = 421,402,497.73/23,220.15
  6. Step 6: Final answer
    x = 18,148.14

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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.