Home / 15,160.88-22,739.36-4,772.72

Finding the Fourth Proportional to 15,160.88, 22,739.36 and 4,772.72

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Solution

The fourth proportional to 15,160.88, 22,739.36 and 4,772.72 is: 7,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,160.88 : 22,739.36 = 4,772.72 : x
  2. Step 2: Convert to fraction form
    15,160.88/22,739.36 = 4,772.72/x
  3. Step 3: Cross multiply
    15,160.88x = 22,739.36 × 4,772.72
  4. Step 4: Simplify right side
    15,160.88x = 108,528,598.26
  5. Step 5: Solve for x
    x = 108,528,598.26/15,160.88
  6. Step 6: Final answer
    x = 7,158.46

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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.