Home / 15,029.55-20,734.16-9,057.69

Finding the Fourth Proportional to 15,029.55, 20,734.16 and 9,057.69

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Solution

The fourth proportional to 15,029.55, 20,734.16 and 9,057.69 is: 12,495.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029.55 : 20,734.16 = 9,057.69 : x
  2. Step 2: Convert to fraction form
    15,029.55/20,734.16 = 9,057.69/x
  3. Step 3: Cross multiply
    15,029.55x = 20,734.16 × 9,057.69
  4. Step 4: Simplify right side
    15,029.55x = 187,803,548.40
  5. Step 5: Solve for x
    x = 187,803,548.40/15,029.55
  6. Step 6: Final answer
    x = 12,495.62

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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.