Home / 13,091.02-18,064.23-7,423.95

Finding the Fourth Proportional to 13,091.02, 18,064.23 and 7,423.95

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Solution

The fourth proportional to 13,091.02, 18,064.23 and 7,423.95 is: 10,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.02 : 18,064.23 = 7,423.95 : x
  2. Step 2: Convert to fraction form
    13,091.02/18,064.23 = 7,423.95/x
  3. Step 3: Cross multiply
    13,091.02x = 18,064.23 × 7,423.95
  4. Step 4: Simplify right side
    13,091.02x = 134,107,940.31
  5. Step 5: Solve for x
    x = 134,107,940.31/13,091.02
  6. Step 6: Final answer
    x = 10,244.27

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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.