Home / 15,137.28-22,695.72-7,735.68

Finding the Fourth Proportional to 15,137.28, 22,695.72 and 7,735.68

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Solution

The fourth proportional to 15,137.28, 22,695.72 and 7,735.68 is: 11,598.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137.28 : 22,695.72 = 7,735.68 : x
  2. Step 2: Convert to fraction form
    15,137.28/22,695.72 = 7,735.68/x
  3. Step 3: Cross multiply
    15,137.28x = 22,695.72 × 7,735.68
  4. Step 4: Simplify right side
    15,137.28x = 175,566,827.29
  5. Step 5: Solve for x
    x = 175,566,827.29/15,137.28
  6. Step 6: Final answer
    x = 11,598.31

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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.