Home / 18,828.19-25,983.15-10,330.16

Finding the Fourth Proportional to 18,828.19, 25,983.15 and 10,330.16

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Solution

The fourth proportional to 18,828.19, 25,983.15 and 10,330.16 is: 14,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.19 : 25,983.15 = 10,330.16 : x
  2. Step 2: Convert to fraction form
    18,828.19/25,983.15 = 10,330.16/x
  3. Step 3: Cross multiply
    18,828.19x = 25,983.15 × 10,330.16
  4. Step 4: Simplify right side
    18,828.19x = 268,410,088.39
  5. Step 5: Solve for x
    x = 268,410,088.39/18,828.19
  6. Step 6: Final answer
    x = 14,255.76

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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.