Home / 18,873.04-26,047.25-12,178.14

Finding the Fourth Proportional to 18,873.04, 26,047.25 and 12,178.14

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Solution

The fourth proportional to 18,873.04, 26,047.25 and 12,178.14 is: 16,807.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.04 : 26,047.25 = 12,178.14 : x
  2. Step 2: Convert to fraction form
    18,873.04/26,047.25 = 12,178.14/x
  3. Step 3: Cross multiply
    18,873.04x = 26,047.25 × 12,178.14
  4. Step 4: Simplify right side
    18,873.04x = 317,207,057.12
  5. Step 5: Solve for x
    x = 317,207,057.12/18,873.04
  6. Step 6: Final answer
    x = 16,807.42

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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.