Home / 32,640.10-45,043.17-18,299.95

Finding the Fourth Proportional to 32,640.10, 45,043.17 and 18,299.95

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Solution

The fourth proportional to 32,640.10, 45,043.17 and 18,299.95 is: 25,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.10 : 45,043.17 = 18,299.95 : x
  2. Step 2: Convert to fraction form
    32,640.10/45,043.17 = 18,299.95/x
  3. Step 3: Cross multiply
    32,640.10x = 45,043.17 × 18,299.95
  4. Step 4: Simplify right side
    32,640.10x = 824,287,758.84
  5. Step 5: Solve for x
    x = 824,287,758.84/32,640.10
  6. Step 6: Final answer
    x = 25,253.84

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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.