Home / 18,069.59-27,089.77-7,547.67

Finding the Fourth Proportional to 18,069.59, 27,089.77 and 7,547.67

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Solution

The fourth proportional to 18,069.59, 27,089.77 and 7,547.67 is: 11,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.59 : 27,089.77 = 7,547.67 : x
  2. Step 2: Convert to fraction form
    18,069.59/27,089.77 = 7,547.67/x
  3. Step 3: Cross multiply
    18,069.59x = 27,089.77 × 7,547.67
  4. Step 4: Simplify right side
    18,069.59x = 204,464,576.61
  5. Step 5: Solve for x
    x = 204,464,576.61/18,069.59
  6. Step 6: Final answer
    x = 11,315.40

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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.