Home / 18,143.18-25,037.15-10,185.24

Finding the Fourth Proportional to 18,143.18, 25,037.15 and 10,185.24

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Solution

The fourth proportional to 18,143.18, 25,037.15 and 10,185.24 is: 14,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.18 : 25,037.15 = 10,185.24 : x
  2. Step 2: Convert to fraction form
    18,143.18/25,037.15 = 10,185.24/x
  3. Step 3: Cross multiply
    18,143.18x = 25,037.15 × 10,185.24
  4. Step 4: Simplify right side
    18,143.18x = 255,009,330.74
  5. Step 5: Solve for x
    x = 255,009,330.74/18,143.18
  6. Step 6: Final answer
    x = 14,055.39

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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.