Home / 18,193.57-25,107.02-10,235.63

Finding the Fourth Proportional to 18,193.57, 25,107.02 and 10,235.63

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Solution

The fourth proportional to 18,193.57, 25,107.02 and 10,235.63 is: 14,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.57 : 25,107.02 = 10,235.63 : x
  2. Step 2: Convert to fraction form
    18,193.57/25,107.02 = 10,235.63/x
  3. Step 3: Cross multiply
    18,193.57x = 25,107.02 × 10,235.63
  4. Step 4: Simplify right side
    18,193.57x = 256,986,167.12
  5. Step 5: Solve for x
    x = 256,986,167.12/18,193.57
  6. Step 6: Final answer
    x = 14,125.11

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Half scale
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Double scale
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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.