Home / 18,864.58-26,037.04-10,905.70

Finding the Fourth Proportional to 18,864.58, 26,037.04 and 10,905.70

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Solution

The fourth proportional to 18,864.58, 26,037.04 and 10,905.70 is: 15,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.58 : 26,037.04 = 10,905.70 : x
  2. Step 2: Convert to fraction form
    18,864.58/26,037.04 = 10,905.70/x
  3. Step 3: Cross multiply
    18,864.58x = 26,037.04 × 10,905.70
  4. Step 4: Simplify right side
    18,864.58x = 283,952,147.13
  5. Step 5: Solve for x
    x = 283,952,147.13/18,864.58
  6. Step 6: Final answer
    x = 15,052.13

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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.