Home / 32,858.15-45,344.20-18,711.00

Finding the Fourth Proportional to 32,858.15, 45,344.20 and 18,711.00

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Solution

The fourth proportional to 32,858.15, 45,344.20 and 18,711.00 is: 25,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,858.15 : 45,344.20 = 18,711.00 : x
  2. Step 2: Convert to fraction form
    32,858.15/45,344.20 = 18,711.00/x
  3. Step 3: Cross multiply
    32,858.15x = 45,344.20 × 18,711.00
  4. Step 4: Simplify right side
    32,858.15x = 848,435,005.92
  5. Step 5: Solve for x
    x = 848,435,005.92/32,858.15
  6. Step 6: Final answer
    x = 25,821.14

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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.