Home / 18,527.54-27,784.35-6,678.11

Finding the Fourth Proportional to 18,527.54, 27,784.35 and 6,678.11

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Solution

The fourth proportional to 18,527.54, 27,784.35 and 6,678.11 is: 10,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.54 : 27,784.35 = 6,678.11 : x
  2. Step 2: Convert to fraction form
    18,527.54/27,784.35 = 6,678.11/x
  3. Step 3: Cross multiply
    18,527.54x = 27,784.35 × 6,678.11
  4. Step 4: Simplify right side
    18,527.54x = 185,547,015.04
  5. Step 5: Solve for x
    x = 185,547,015.04/18,527.54
  6. Step 6: Final answer
    x = 10,014.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.