Home / 18,843.28-26,005.08-10,459.72

Finding the Fourth Proportional to 18,843.28, 26,005.08 and 10,459.72

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Solution

The fourth proportional to 18,843.28, 26,005.08 and 10,459.72 is: 14,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.28 : 26,005.08 = 10,459.72 : x
  2. Step 2: Convert to fraction form
    18,843.28/26,005.08 = 10,459.72/x
  3. Step 3: Cross multiply
    18,843.28x = 26,005.08 × 10,459.72
  4. Step 4: Simplify right side
    18,843.28x = 272,005,855.38
  5. Step 5: Solve for x
    x = 272,005,855.38/18,843.28
  6. Step 6: Final answer
    x = 14,435.16

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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.