Home / 23,190.10-32,006.95-13,118.56

Finding the Fourth Proportional to 23,190.10, 32,006.95 and 13,118.56

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Solution

The fourth proportional to 23,190.10, 32,006.95 and 13,118.56 is: 18,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.10 : 32,006.95 = 13,118.56 : x
  2. Step 2: Convert to fraction form
    23,190.10/32,006.95 = 13,118.56/x
  3. Step 3: Cross multiply
    23,190.10x = 32,006.95 × 13,118.56
  4. Step 4: Simplify right side
    23,190.10x = 419,884,981.18
  5. Step 5: Solve for x
    x = 419,884,981.18/23,190.10
  6. Step 6: Final answer
    x = 18,106.22

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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.