Home / 15,119.72-22,681.82-4,730.12

Finding the Fourth Proportional to 15,119.72, 22,681.82 and 4,730.12

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Solution

The fourth proportional to 15,119.72, 22,681.82 and 4,730.12 is: 7,095.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,119.72 : 22,681.82 = 4,730.12 : x
  2. Step 2: Convert to fraction form
    15,119.72/22,681.82 = 4,730.12/x
  3. Step 3: Cross multiply
    15,119.72x = 22,681.82 × 4,730.12
  4. Step 4: Simplify right side
    15,119.72x = 107,287,730.42
  5. Step 5: Solve for x
    x = 107,287,730.42/15,119.72
  6. Step 6: Final answer
    x = 7,095.88

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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.